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1. Check the assembly for play by rocking the crank arms back and forth away from frame If the crank moves tighten crank arm bolt until no play is detected If maximum torque of 54 N m 478 in lb has been achieved remove the crank arm from the spindle apply additional grease and repeat installation proceedures until play is eliminated PEDAL INSTALLATION Grease the pedal threads and install the included pedal washers a Figure 9 Thread the pedals into the crankarms and torque to 47 54 N m 416 478 in lb 4 ADVICE e The drive side is right hand pedal thread Non drive side is left hand pedal thread MAINTENANCE Important use only water and a mild soap to clean crankset and bottom bracket Do NOT use a pres sure washer ADVICE If creaking of the assembly occurs check that all parts are torqued to specification and grease is liberally applied on all surfaces noted Verify that chainring bolts are torqued to 8 9 N m 80 90 in lb If creaking continues consult your local Truvativ dealer for assistance ATTENTION Bearings require regular maintenance Re grease bearings after 100 hours of use in dry conditions or immediately following any significant exposure to water such as riding in heavy rain or through water crossings REMOVAL Use the self extracting crank bolt assembly or crank puller if applicable to remove the non drive side crank arm Use a rubber mallet to gently tap the end of the crank spindle towards the fr
2. INSTALLATION BOTTOM BRACKET If you have a 68 mm bottom bracket shell separate the two parts ofthe bottom bracket and install the included bottom spacer bracket spacers one over the drive side bottom bracket cup the other over the non drive side bottom bracket up This will set the bottom bracket spacing to accommodate Hammerschmidt Apply a liberal amount of grease to the bottom bracket shell threads in the frame If you havent already pull the non drive side cup off the bottom bracket and apply a small amount of grease to the cup threads Carefully separate the center shell from the drive side cup and apply a small amount of grease to the o rings on each side of the cup Insert the center shell back into the drive side cup Finally apply a small amount of grease to the drive side cup threads SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 25 INSTALLATION The HammerSchmidt bottom bracket needs to be installed in a specific order EJ Thread the drive side bottom bracket assembly into your frame using the Truvativ ISIS or equivalent bottom bracket installation tool The drive side assembly is left hand threaded so turn it counter clockwise to install and torque to 34 41 N m 301 363 in lb B not pictured Install the non drive side bottom bracket assembly using the Truvativ GXP or equivalent bottom bracket installation tool The non drive side assembly Is right hand threaded so turn it clockwise to i
3. Clean and lubricate overdrive pawls Contamination inside actuator Clean and lubricate actuator assembly internals assembly Broken overdrive spring Replace overdrive spring Incorrect ISCG spacers installed Confirm offset and spacer configuration on offset ISCG tabs Stuck in 1 1 Too much tension in shift cable Adjust the shifter by turning barrel adjuster on the shifter clockwise If Loss of Over barrel adjuster will not provide sufficient adjustment reattach cable at Drive Gear the cable anchor bolt per Shifter Installation Instructions Malfunctioning or damaged Cycle the shift lever several times to confirm proper function Replace shifter shifter if necessary Contaminated or improperly rout Check that housings are properly routed and that cables move free ed shift cable housing ly within the housing Properly routed cables will take a smooth path to the cable stop and provide enough slack for handlebar and any sus pension linkage movement Clean and lubricate or replace housings if necessary Contamination inside actuator Clean and lubricate actuator assembly internals assembly Contamination in mechanism Disassemble inspect clean and lubricate mechanism assembly assembly Broken overdrive spring Replace overdrive spring Incorrect ISCG spacers installed Confirm offset and spacer configuration on offset ISCG tabs Increased Drag Contamination in mechanism Disassemble inspect clean and lubricate mecha
4. CRANK ARM REMOVAL 5 Using a 5 mm hex wrench loosen and remove the four planet nuts Lift and remove the crank arm HAMMERSCHMIDT MECHANISM DISASSEMBLY 6 Clamp the bearing removal tool base into a vice Place the HammerSchmidt mechanism assembly on the tool base so the tool pins engage the recesses on the HammerSchmidt mechanism Place the tool clamp over the planet posts Using 5 mm hex wrench secure the clamp to the HammerSchmidt with the planet nuts Torque to 5 6 N m 50 in lb 8 Using a 5 mm hex wrench install the shoulder screw Torque hand tight SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 37 TECHNICAL SERVICE EJ W HammerSchmidt mechanism assembly is left hand threaded Use a 24 mm wrench and turn the clamp clockwise until the mechanism breaks free It could take significant force to open the system i Using a 5 mm hex wrench remove the shoulder screw and the planet nuts Remove the clamp tool Planet Removal HammerSchmidt planet retaining rings are not reusable Do not continue disassembly without new rings to reassemble the HammerSchmidt 11 On the carrier assembly find the planet retaining rings You may need to wipe away some grease to reveal the rings Use a small flathead screwdriver and a pick or tweezers remove the ring by prying the two exposed ends of the ring outward Repeat until all four rings have been removed Discard the used rings Lift and remove the planets S
5. Steerer Clamp or direct mount C Stem bolt s D Face Clamp B Face Clamp bolts TOOLS NEEDED Safety Glasses Grease or titanium anti seize for 4 5 and 6 mm hex wrenches titanium bolts Torque wrench Isopropyl alcohol Friction paste 400 grit sandpaper 28 tooth blade saw Your Truvativ stem may differ from the model shown PREPARE PARTS u5 Use isopropyl alcohol to clean the fork steerer tube stem steerer clamp surface as well as the handlebar and stem contact surfaces Important do not lubricate any of the surfaces Remove stem bolts and apply grease on standard bolt threads or titanium anti seize on titanium bolt threads IMPORTANT While the bolts are removed remove any burrs from the stem steerer clamp and face clamp surfaces and smooth with 400 grit sandpaper Re install the steerer clamp bolt s until finger tight and the bolt head contacts the stem surface Set aside the face clamp bolts Install the fork onto the bike according your fork manufacturer s instructions If the fork s steerer tube needs to be cut adhere to the following instructions to ensure proper stem clamp engagement with the steerer tube IMPORTANT be sure to account for the overall stack height of the stem headset and spac ers prior to cutting Standard steerer tube 3a measure and cut the steerer tube 4 mm below the top of the stem Dual crown steerer 3b mark the steerer tube making sure 5 mm of steerer tube is exposed above the
6. enueul e914y9a usisue TRU VATIV SRAM LLC WARRANTY EXTENT OF LIMITED WARRANTY SRAM warrants its products to be free from defects in materials or workmanship for a period of two years after original purchase This warranty only applies to the original owner and is nottransferable Claims under this warranty must be made through the retailer where the bicycle or the SRAM component was purchased Original proof of purchase is required LOCAL LAW This warranty statement gives the customer specific legal rights The customer may also have other rights which vary from state to state USA from province to province Canada and from country to country elsewhere in the world To the extent that this warranty statement is inconsistent with the local law this warranty shall be deemed modified to be consistent with such law under such local law certain disclaimers and limitations of this warranty statement may apply to the customer For example some states in the United States of America as well as some governments outside of the United States including provinces in Canada may a Preclude the disclaimers and limitations of this warranty statement from limiting the statutory rights of the consumer e g United Kingdom b Otherwise restrict the ability of a manufacturer to enforce such disclaimers or limitations LIMITATIONS OF LIABILITY To the extent allowed by local law except for the obligations specifically set forth
7. Torque Box screws to 4 4 5 N m 30 40 in Ibf 35 46 kgf cm Figure 9 20 HAMMERSCHMIDT ANATOMY The information at the beginning of this document is pulled from the user manual Some of the user manual information will be referenced in the technical service section INTRODUCTION Your days of front shifting as you know it are over Welcome to instant front transmission Welcome to HammerSchmidt HammerSchmidt is a front transmission so fast and so seamless its magical It gives you the security of a single chainring with the gear range of a double HammerSchmidt provides better ground clearance and flawless shifting shifting under load while coasting or even standing still This revolutionary instant shift is accomplished with the proprietary HammerSchmidt X 0 and X 9 trigger shifters HammerSchmidt s front transmission design is comprised of five main components HammerSchmidt bottom bracket crank arm collar assembly mechanism assembly and trigger shifters each working in perfect concert allowing you to react to terrain in ways you ve never imagined before Take a peek below at the anatomy of HammerSchmidt ANATOMY HammerSchmidt Non Drive Side Crank Arm HammerSchmidt Trigger Shifters Chain Guide Collar Assembly HammerSchmidt Mechanism Assembly with Drive Side Crank Arm SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 21 HAMMERSCHMIDT PARTS AND TOOLS NEEDED e Safety glasses e Bottom bra
8. bottom bracket cup groove e Wipe away any excess grease with a clean cloth e Re install crankarms according to manufacturer s instructions 14 GIGA PIPE ISIS DRIVE ISIS OVERDRIVE BOTTOM BRACKETS Application Chart BB GPSL GPTI MXTI ODSL ODTI SPL SLLT H BB BMX GPDH ODDH SPL DHLT HHH HH Key XC Crosscountry AM All Mountain DH Downhill Compatibility Spindle Frame Shell Chainline E type Der Spacer BB Shell Width Chainguidej Config Part BB GPSL GPTI SPL SLLT 108 68 108 68 16 spd 445rd dowbel25tak No NO Spacer No Part BB GPSL 108 70 Italian Thread 46590 44 rd double 425 track Part 4 BB GPDH GPSL GPTI MXTI SPL DHLT SPL SLLT 113 68 68E 73 113 68 68mm 48 5 mtb 47 rd TT ONE Spacer Yes 113 68E 68mm 48 5 mtb 47 rd T Yes NO Spacer Yes 113 73 73mm 48 5 mtb NO Spacer No Part BB BMX 113 68 42 5bmx NO Spacer Part A BB Ce ae ee A DHLT 118 68 68E 73 118 68 68mm 51mtb 46 5 road trp ONE Spacer Yes 118 68E 68mm 51 mtb Yes NO Spacer ea 118 73 73mm 51 mtb NO Spacer Part BB TA a ee DHLTSPL SLLT ORC 118 73E 51mtb mtb NO Spacer Part 4 BB GPSL 118 70 Italian order cee 118 70 Part E ANEI Ie AEP RTS ne 128 68 68mm 56 mtb 128 68E 68mm 56 mtb 128 73 73mm 56 mtb ONE Spacer Yes NO Spacer No Part BB GPDH 128 73E Part BB GPDH 128 83 83E 128 83E 83mm
9. in this warranty statement in no event shall SRAM or its third party supplies be liable for direct indirect special incidental or consequential damages LIMITATIONS OF WARRANTY This warranty does not apply to products that have been incorrectly installed and or adjusted according to the respective SRAM technical installation manual The SRAM installation manuals can be found online at www sram com www RockShox com or www avidbike com This warranty does not apply to damage to the product caused by a crash impact abuse of the product non compliance with manufacturers specifications of usage or any other circumstances in which the product has been subjected to forces or loads beyond its design This warranty does not apply when the product has been modified This warranty does not apply when the serial number or production code has been deliberately altered defaced or removed This warranty does not apply to normal wear and tear Wear and tear parts are subject to damage as a result of normal use failure to service according to SRAM recommendations and or riding or installation in conditions or applications other than recommended Wear and tear parts are identified as e Dust seals e Brake sleeves e Bottomout pads e Bushings e Brake pads e Bearings e Air sealing o rings e Chains e Bearing races e Glide rings e Sprockets e Pawls e Rubber moving parts e Cassettes e Transmission gears e Foam rings e Shifter and brake cables inner e To
10. shift while regrouping with your crew before the next climb shift mid manual even shift while coasting or pedaling backward Shift smoothly and instantly anytime every time Your days of front shifting as you know it are over HammerSchmidt HAMMERSCHMIDT MAINTENANCE Use only water and a mild soap to clean the HammerSchmidt unit Do NOT use a pressure washer This will damage the seals and allow dirt debris to contaminate and potentially damage the internals of the HammerSchmidt unit Periodically inspect all of the bolts of the HammerSchmidt unit and crank arms for proper torque See the service interval schedule at Technical Service You should have a professional bicycle mechanic periodically disassemble your HammerSchmidt unit to inspect the internals for signs of wear or damage and to re lubricate the mechanism Always inspect components for damage after any crash SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 30 TECHNICAL SERVICE ANATOMY EXPLODED VIEW OF HAMMERSCHMIDT MECHANISM 3 Planet Nuts 4 Crank Arm 5 Carrier Seal 6 Planet posts 7 Carrier Assembly 8 Planets 9 Planet Retaining Rings 10 Sun Gear 11 Ring Spacer 12 Damper 13 Bearing Assembly 14 Bearing Seal 15 Sun Retainer 16 Chainring 17 Guide Ring 18 Retaining Ring for Guide Ring Exploded view of Collar Plate Assembly 20 Crank Stop 21 Crank Stop Retainer 22 Collar Seal 23 Overdrive Spring 24 Overdr
11. specifications 16 Application Chart BB SQ LE XR PSPL AM All Mountain Compatibility Spindle Frame Shell Chainline E type Der Spacer BB Shell Width Chainguide Configuration Part BB SQ LE 108 68 A 108 68 UsDualDivel5 5rd doublel astacd No NOspacer Part BB 44 SQ XR LE Iese ice AN Key XC Crosscountry DH Downhill NO spacer ONE Spacer NO Spacer NO Spacer NO Spacer Part BB PSPL 108 68 A 46 Dual Drivel44 5 rd doublet track Part BB PSPL 113 68 68 E 73 A NO spacer ONE spacer NO spacer NO spacer NO spacer 113 68 E 73 113 68 E 73 118 68 46 5 road triple NO spacer 118 68 E 73 51 mtb 46 5 road triple ONE spacer 51 mtb NO spacer NO spacer Parts and Tools Bottom bracket Left Bottom Bracket Adapter Spacer not used or included in all applications Tools Bottom bracket installation tool Park BBT2 or equivalent e Torque wrench Supplies Grease SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL SOUARE XR SOUARE LE POWER SPLINE BOTTOM BRACKETS Parts Preparation Step 1 Bicycle Frame HA Sy Figure 1 l Bottom Bracket Shell Assure the frame s bottom bracket shell threads are clean and undamaged there should be no paint or dirt present Have your bottom bracket shell chased and faced by your bike shop for best results Check to make sure the threads of your Truvativ bottom bracket match the t
12. the bottom bracket shell face you do not need to add any spacers If your frame s ISCG tabs are offset inboard of the bottom bracket shell face you will need to add the same amount of spacers you used when facing the ISCG tabs in the Frame Preparation section in order to make the surface flush you wrote this down remember Locate the ISCG specific spacer s you need 68 mm bottom bracket users You must add an additional 2 5 mm of spacer thickness to the ISCG spacers you needed above This will complete the spacing requirements necessary for HammerSchmidt EJ Remove the rubber seal from the front of the collar assembly if EJ pe necessary to fully access the mounting holes Place the ISCG spacer s onto the back of the collar assembly and align all of the mounting holes Insert the three mounting bolts through the collar assembly and ISCG spacer s to hold everything together Carefully slide the complete assembly over the drive side spindle Align the mounting bolts to the mating ISCG tabs and hand start each bolt Gently push the assembly on so it sits flat against the ISCG tabs Use a 4 mm hex to tighten all three mounting bolts in an alternating fashion Torque each bolt to 4 5 N m 40 in lb G Ny 4 SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 27 INSTALLATION EJ can check for proper collar assembly installation by sliding the anchor bolt on the collar assembly back and fo
13. 2 GIGA PIPE ISIS DRIVE ISIS OVERDRIVE BOTTOM BRACKETS lt lt ce ciao Don al o 15 SQUARE XR SQUARE LE POWER SPLINE BOTTOM BRACKEDS ci a 17 BOAGUIBE SHIFTGUIDE CHAIN TENSIONER coin A ed 19 HAMMERS GNUO I oops a 21 A AP o oo An 21 FRAME FRERE RANON m n ema iei ai aid iii piei iai od imi tii eee ap 23 N ALEA MON e ae ce A A 25 USES MAINTE NANG crisis pits 30 TECHNICAL ERVIGE ANATOMY noia alai iaca al EEE EE EEE talia at a ta ata tat 31 SERVICE SCHEDULE TORVE ES a aa ees 32 TROUBLEESH OTI dpi 33 TECHNICAL ER VIE o iia IO NN IENEI ROI ERE 35 SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 4 SAFETY FIRST At SRAM Corporation we care about you Please always wear your safety glasses and gloves when servicing your Truvativ products Protect your eyes Wear your safety glasses SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL ROAD CHAINRING COMPATIBILITY CHART 34 50 Combination Rings Material Marking 8 speed 9 speed 10 speed SRAM Only os 39 53 53 V2 ap 39 53 53 VA w date code mn 39 53 V2 53 V4 w date code 39 53 V2 39 53 53T S1 USE W 39T ONLY SRAM CHAIN ONLY w date code 39 53 V2 39 53 53T S1 USE W 39T ONLY SRAM CHAIN ONLY w date code 42T V4 130 42 54 FATT 54T S1 USE W 42T ONLY SRAM CHAIN ONLY w date code 42T V4 130 42 55 BST 551 S1 USE W 42T ONLY SRAM CHAIN ONLY w date code 39 39 53 ESTI 39 39 53 dia 18 39 ais 34 110BCD 34 110 V1 10 SPEED ONLY 48 110BCD 48T V1 USE W 34T ONLY w
14. 56 mtb Yes NO Spacer No Part BB GPDH 148 100 100E 148 100E 100 E mm 66 mtb Yes NO Spacer No Part BB ODSL ODTI 108 68 ISIS era Shell 108 68 E 46 tspd 445 rd doubleld25 track N A Part BB ODDH ODSL ODTI 113 68 ISIS Overdrive Shell vos eamm omu Ti NA NA Part BB ODDH ODSL ODTI 118 68 ISIS Overdrive Shell 118 68 Re tl D REA TIEN N A Part BB ODDH 128 68 ISIS Overdrive Shell zee emm 5emb NA NA TNA Part MECA 148 100 ISIS Overdrive Shell Italian threaded bottom bracket shells only 68mm BSA Euro shell OR BMX shell with Truvativ BMX to BSA shell adapter SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL Parts and Tools Parts Bottom bracket eLeft Bottom Bracket Adapter Spacer not used in all applications O Ring not used in all applications Tools Bottom bracket installation tool Truvativ BB 02 SPL TOOL Park BBT8 or equivalent Torque wrench Supplies Grease Titanium anti seize compound ODTI GPTI and MXTI BB only Parts Preparation Step 1 Bicycle Frame a A L L Figure 1 Bottom Bracket Shell Assure the frame s bottom bracket shell threads are clean and undamaged there should be no paint or dirt present Have your bottom bracket shell chased and faced by your bike shop for best results Check to make sure the threads of your Truvativ bottom bracket match the threads in the bottom bracket she
15. 8 Nem 45 50 ftelbf 622 691 kgf cm Figure 4 Thread the prepared left adapter cup into the non driveside left side of the frame The tightening direction for both English ISIS Overdrive and Italian is the same for the left adapter cup refer to Figure 4 The cup flange will NOT bottom against the left face of the frame shell The O ring should be installed on the left adapter cup in 68mm shell applications refer to the compatibility SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL GIGA PIPE ISIS DRIVE ISIS OVERDRIVE BOTTOM BRACKETS Step 2 cont d chart Torque the left adapter cup to 34 41 Nem 25 30 ftelbf 346 415 kgfecm or 61 68 Nem 45 50 ftelbf 622 691 kgfecm for ISIS Overdrive BBs using a torque wrench Step 3 Apply grease or Apply grease or Ti anti seize Ti anti seize Apply grease or Ti anti seize to crankbolt threads Apply grease or Ti anti seize to crankbolt threads Note Do not exceed 47 Nem 35 ftelbf 484 kgf cm torque when tightening the crankarm bolts Figure 5 Apply grease or titanium anti seize if you have a titanium spindle liberally as shown in Figure 5 to the spline surfaces of the spindle the faces of the crank stops and also to the crankbolt threads in order to prepare the bottom bracket for crankarm installation When installing the crankarms do not exceed 47 Nem 35 ftelbf 484 kgf cm torque when tightening Consult your crankarm instruction manual for exact torque
16. Chain rub torque value Replace bash guard and tighten bash guard nuts to proper torque value Worn or loose chainring Inspect chainring and chainring retainer Replace if necessary Worn damper or ring spacer Disassemble mechanism assembly inspect and replace as appropriate Contamination in mechanism Disassemble inspect clean and lubricate mechanism assembly assembly Incorrect chain guide position Adjust chain guide as necessary Wear or damage in mechanism Disassemble mechanism assembly and examine gear teeth and pawls assembly for wear or damage SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 34 TECHNICAL SERVICE MECHANISM ASSEMBLY AND DRIVE SIDE CRANK ARM SERVICE Ds Always wear your safety glasses and gloves when servicing the HammerSchmidt Some parts of the HammerSchmidt are spring loaded and can pop out suddenly which could lead to injury if your eyes are not properly protected Make sure you have a clean work area clean rags and the necessary parts and tools to service your HammerSchmidt When performing service on your HammerSchmidt the following parts are not re usable and must be replaced during service Planet Retaining Rings and Carrier Seal Parts and tools needed for service e Safety glasses e Pick e Gloves e Clean rags e HammerSchmidt Bearing Removal Tool e Adjustable torque wrench up to 25 N m 217 in lb e 5 6 8 mm hex wrenches e HammerSchmidt grease kit e 24 mm wrench e Sm
17. al Removal gy the seal disk removed the wiper seal can removed SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 49 TECHNICAL SERVICE Actuator Removal Be sure to wear your safety glasses for this step The actuator spring is pre loaded and may pop out suddenly Remove the actuator spring by pinching the curved tips together and lifting the spring out of the assembly Remove the actuator Crank Stop Removal Locate the beveled edge of the crank stop retainer Using a pick start at the beveled edge to lift the crank stop retainer from its groove SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 50 TECHNICAL SERVICE CLEAN COLLAR PLATE ASSEMBLY Thoroughly clean any contamination and grease from the components of the collar plate assembly Ensure that any grease residue is removed from the pawls pawl seats actuator and the actuator recess in the collar plate and ensure these components are dry prior to applying fresh grease GREASE AND REASSEMBLE COLLAR PLATE Use only the grease provided in the HammerSchmidt grease kit inside the collar plate assembly Poor performance and accelerated wear can be expected from use of other lubricants Crank Stop Reassembly Insert the crank stop and secure it in place with the crank stop retainer Make sure that the retaining ring is fully seated in the groove of the crank stop Actuator Reassembly 15 tal a light coat of g
18. all grease brush optional e Small flathead screwdriver You must use the grease supplied in the HammerSchmidt grease kit unless otherwise specified Using any other grease will void your warranty MECHANISM ASSEMBLY AND DRIVE SIDE CRANK ARM REMOVAL Shift the HammerSchmidt into 1 1 by pressing the large shifter paddle Remove the chain according to the chain manufacturers Instructions 1 Using an 8 mm hex wrench turn the self extracting crank bolt counter clockwise to remove the HammerSchmidt mechanism assembly and drive side crank arm FUNCTIONAL INSPECTION OF THE HAMMERSCHMIDT MECHANISM ASSEMBLY gy the mechanism assembly separated from the collar plate inspect the HammerSchmidt visually and by feel for wear and contamination Look inside the sun gear for dirt and debris It may be appropriate to wipe this area with a clean dry rag and re grease periodically Spin the ring gear counter clockwise and feel for increased or unusual drag or play in the assembly as this may indicate the need for service SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 35 TECHNICAL SERVICE CHAINRING REMOVAL Using a flathead screwdriver gently pry the retaining ring off the ring guide Remove the guide ring and chainring BASH GUARD REMOVAL Using a 6 mm hex wrench loosen and remove the four bash guard nuts Remove the bash guard SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 36 TECHNICAL SERVICE
19. ame and slide it out of the bottom bracket Remove the bearing shields from the bottom bracket cups not pictured The bottom bracket should be removed by applying force on the internal adapter cup wall not the bearing not pictured 11 GIGA X PIPE BOTTOM BRACKETS AND CRANKSETS COMPATIBILITY Cranket Model Frame Shell Width Spacer Configuration Chain Compatibility Track Single Speed 1 2 X 1 8 Double Elita Rouleur Rouleur OCT 70 mm Italian 10 Speed A or 5mm em 8 Speed Elita configuration available riple Firex Stylo Stylo OCT Triple Double with Rockguard 68 1 Spacer non drive side Noir XC Single Speed 51 0 mm 1 Spacer non drive side IMPORTANT To ensure that your crankset and bottom bracket perform properly we highly recom mend that you have them installed by a qualified bicycle mechanic We also urge you to follow our recommendations to help make your riding experience more enjoyable and trouble free Truvativ cranksets and bottom brackets are designed to function optimally as a system For optimal performance use with Truvativ and SRAM components e instructions provided by the other manufacturer in order to ensure proper installation TOOLS AND SUPPLIES TOOLS Safety Glasses Bottom Bracket installation tool Torque wrench Truvativ GXP tool Park BBT9 or equivalent 8mm 10 mm 16 mm 5 8 hex Grease wrench Assure the frame s bottom bracket shell threads are clean and u
20. cket facing tool and cutter Park Tool BFS 1 or e HammerSchmidt frame compatibility checker similar e 2 2 5 4 5 and 8 mm hex wrenches e HammerSchmidt ISCG tab facing cutter e Flathead screwdriver e Cutting Oil e Cable cutters e Truvativ ISIS and GXP bottom bracket installation tools e Adjustable torque wrench up to 54 N m 478 in lb e Grease e Digital calipers FRAME COMPATIBILITY CHECK HammerSchmidt is engineered to mount to frames with ISCG 03 or ISCG 05 chain guide mounting tabs and 68 73 or 83 mm bottom bracket shell widths However not all frames are made to the precision standards HammerSchmidt requires Therefore before installing you will need to perform a simple frame compatibility check to determine if you can use HammerSchmidt on your frame It is critical to perform this check otherwise you will experience complications with installation and or function To check compatibility use the enclosed HammerSchmidt frame compatibility checker tool First remove your old crank arms and bottom bracket from your frame if applicable Next thread the cup checker into the drive side bottom bracket shell Finally slide the pin checker over the cup checker and insert the pins into the ISCG tabs The pin checker is double sided one side has ISCG 03 pins the other ISCG 05 pins Be sure to insert the appropriate pins into the ISCG holes For compatibility the pins must go into the ISCG holes the cup checker must be centered in the pi
21. date code opie 34 110BCD 34 110 V1 10 SPEED ONLY 48 110BCD 48T V2 USE W 34T ONLY w date code 36 110BCD 36 V1 110 50 110BCD 50T V3 110 36T ONLY m 36 110BCD 36 V1 110 50 110BCD 50T A V4 for 36 50 w date code 36 110BCD 36 110 V3 10 SPEED ONLY 50 110BCD 50T A V4 for 36 50 w date code e 34 110BCD 34 110 V1 50 110BCD 50T B V2 for 34 50 w date code Ss 34 110BCD 34 110 V1 10 SPEED ONLY 50 110BCD 50T B V2 for 34 50 w date code 34 110BCD 34 110 V1 10 SPEED ONLY 36 110BCD AL 7075 3mm 36 110 V3 10 SPEED ONLY 50 110BCD AL 7075 4mm 50 S1 USE W 34T ONLY SRAM CHAIN ONLY w date code AL 7075 3mm 52TC S1 USE W 36 38T ONLY SRAM CHAIN 52 110BCD AL 7075 4mm SE eta AL 7075 3mm_ 36 52 38 110BCD AL 7075 3mm 38T V1 110 10 SPEED ONLY 38 52 52TC S1 USE W 36 38T ONLY SRAM CHAIN 92110060 ONLY w date code ac 38 TRUVATIV 38 46 38 30 30 V4 30 39 50 39 39 V4 w date code 50 USE W 39T ONLY 30 30 V4 30 39 52 39 39 V4 w date code 52B 52B V2 USE W 39T ONLY w date code 30 V4 52 V2 30 V4 30 42 52 42 52 V3 52 V2 30 V4 30 42 52 42 42 52 V3 52 AL7075 4mm 52 V2 39 STEEL RING MUST HAVE 20mm SPACERS BETWEEN SPIDER TABS AND RING FOR THIS RING COMBINATION TO BE 9 SPEED COMPATIBLE Last Update 16 Jun 09 JC SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL MTB HANDLEBARS AND STEMS SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL A 4 IDENTIFY PARTS AND TOOLS STEM PARTS A
22. e dry prior to applying fresh grease GREASE AND REASSEMBLE MECHANISM ASSEMBLY Use only the grease provided in the HammerSchmidt grease kit inside the mechanism assembly Poor performance and accelerated wear may be expected from use of other lubricants Reassemble Carrier Assembly 16 A a generous amount of grease to the planet carrier surface and planet posts Install the planet gears onto the planet posts Grease should ooze from underneath the planets as they are pressed against the carrier 18 Install new planet retaining rings Be sure that these rings are completely seated in their grooves by pressing the ends in with a small screwdriver 19 tale grease to the teeth and exposed face of the planets SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 40 TECHNICAL SERVICE REASSEMBLE BEARING ASSEMBLY 20 Apply a thin bead of grease in the space between the bearing and the outer race Replace the bearing seal by placing it over the bearing and pressing It firmly into the groove on the outer race A screwdriver may be required to push the last portion of the bearing seal into the groove Ring Spacer and Damper Assembly If the ring spacer and damper were removed in disassembly they should be reassembled now Using a new damper press the wide portion of the damper into the back of the groove To seat the damper properly work around the circle pushing both into the groove and slightly back towards t
23. e wrench Step 3 for square taper only Attention Do not apply grease to square tapers Apply grease to crankbolt threads Apply grease to crankbolt threads O Attention Do not exceed 42 Nem 31 ftelbf 429 kgf cm torque when tightening the crankarm bolts Figure 5 Apply grease to the crankbolt threads only in order to prepare the bottom bracket for crankarm installation When installing the crankarms do not exceed 42 Nem 31 ftelbf 429 kgf cm torque when tightening Consult your crankarm instruction manual for exact torque specifications SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL SOUARE XR SOUARE LE POWER SPLINE BOTTOM BRACKETS Step 3 for Power Spline only Crankstop Crankstop Apply grease liberally Apply grease liberally Apply grease to Apply grease to crankbolt threads Pply g crankbolt threads Attention Do not exceed 42 Nem 31 ftelbf 429 kgf cm torque when tightening the crankarm bolts Crankarms should contact crankstops Figure 6 before maximum specified torque is achieved Apply grease liberally as shown in Figure 6 to the spline surfaces of the spindle the faces of the crank stops and also to the crankbolt threads in order to prepare the bottom bracket for crankarm installation When installing the crankarms do not exceed 42 Nem 31 ftelbf 429 kgf cm torque when tightening Consult your crankarm instruction
24. ead Non drive side is left hand pedal thread MAINTENANCE IMPORTANT use only water and a mild soap to clean crankset and bottom bracket Do NOT use a pressure washer NOTE If creaking of the assembly occurs check that all parts are torqued to specifica tion and grease is liberally applied on all surfaces noted Verify that chainring bolts are torqued to 8 9 Nem 80 90 in lb If creaking continues consult your local Truvativ dealer for assistance Y NOTE GXP seals are designed to prevent contamination and therefore must rub against their sealing surfaces New GXP seals will feel stiff upon initial installation This is normal With use the seals will wear in and loosen up NOTE Ceramic bottom bracket bearings require regular maintenance Re grease bearings using SKF LGHP2 grease after 100 hours of use in dry conditions or immediately following any significant exposure to water riding in heavy rain water crossings e Remove crankarms according to manufacturer s instructions e Using a pick carefully remove external seals from the face of bottom bracket and rubber bearing seal from the face of bearing e Load SKF LGHP 2 grease into syringe Apply grease ensuring that bearings are completely covered including between bearings e Press the rubber bearing seal back into place e Apply light coating of grease to the inside surface of the external seal Press external seals into place so that the outer lip seats firmly in
25. em have them inspected by your Truvativ dealer Periodically replace your handlebar and stem with new ones Frequency and type of rid ing along with rider weight will impact the overall life of the handlebar and stem Consult a Truvativ dealer for help determining a replacement schedule appropriate for you CO PRESSFIT GXP BOTTOM BRACKET AND CRANKSET ANATOMY 1 Non Drive Side Crank Arm 6 Drive Side Bearing Shield 2 Non Drive Side Bearing Shield 7 Drive Side Bottom Bracket Cup 3 Non Drive Side Bottom Bracket Cup 8 Wave Washer 4 Bottom Bracket Shell 9 Drive Side Crank Arm and Spindle 5 Drive Side Spacer MTB only 12 3 4 IMPORTANT To ensure that your PressFit GXP ROAD or MTB Bottom Bracket performs properly and to help make your riding experience more enjoyable and trouble free we highly recommend that you have it installed by a qualified bicycle mechanic Installation ofthe adapter does not have to be permanent However removal ofthe adapter can damage the cups and bearings Do not re use the adapter after removal from the frame shell The adapter will only work in undamaged frames in good condition The adapter must NOT be used as a way to repair frames with damaged press fit bottom bracket shells Improper use installation or removal ofthe adapter will void your warranty and can void the warranty for your frame COMPATIBILITY PressFit GXP ROAD Bottom Bracket enables the use of SRAM and T
26. en the cable anchor bolt and remove the cable Remove the housing from the cable housing stop If you have ISCG 03 tabs remove the collar seal to access the HammerSchmidt mounting bolts Using a 4mm hex wrench to remove the 3 mounting bolts Slide the collar plate off the bike SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 47 TECHNICAL SERVICE COLLAR PLATE DISASSEMBLY Chain Guide Removal If your chain guide is damaged and needs to be replaced locate the two screws that attach the chain guide to the collar plate and note their position You will want to reinstall the chain guide in the same position later Using a 2 5 mm hex wrench remove the screws and chain guide Cable Stop Removal 5 If your cable stop is damaged and needs to be replaced use a 2 mm hex wrench to remove the screws and cable stop Overdrive Pawl Removal 6 Using a pick carefully lift and pull back on the overdrive spring to remove it Be careful not to damage the spring upon removal by over stretching or kinking it If the spring is damaged upon removal replace it with a new one Remove the three pawls from their seats SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL TECHNICAL SERVICE Seal Disk Removal EJ Using a 4 mm hex wrench remove the cable stop bolt and cable stop washer EJ Using a 2 mm hex wrench remove the disk bolt 10 Lift and remove the seal disk Wiper Se
27. f the handlebar is not crimped nor damaged when bar ends are tightened Carbon handlebar flat bars only you must install Truvativ alloy bar plugs prior to installing bar ends Use of non Truvativ alloy bar plugs will void your warranty Make certain the end of the handlebar is neither crimped nor damaged when bar ends are tightened Carbon handlebar riser bars never use bar ends on carbon riser bars SAFETY CHECK Check that the handlebar does not slip in the stem Check that the handlebar controls do not slip on the handlebar Check handlebar control cables for binding The front wheel must be free to turn at least 90 degrees to either side of the bicycle frame Pinch the front wheel between your knees and twist handlebar The stem should not twist separately from the front wheel WARNING Please inspect the torque for all stem bolts after your first ride and periodically afterwards You should never ride with a loose stem and or handlebar MAINTENANCE Clean the stem and handlebar using only water and mild soap Regularly inspect components for signs of damage or fatigue Always inspect components for damage after any crash Signs of damage or fatigue include but are not limited to cracks dents deformation dis coloration deep scratches or audible creaking Discontinue use and replace any parts that show signs of damage or fatigue Do not attempt to repair parts If you are unsure of the integrity of your handlebar or st
28. ght use a 4 mm hex to tighten the anchor bolt to 2 2 N m 20 in lb Cut the cable a couple centimeters past the anchor bolt and install a cable tip Slowly turn the HammerSchmidt shifter barrel adjuster counter clockwise until you see the anchor bolt move slightly to take up any cable slack There should be a small gap between the anchor bolt and the edge of the seal disk window SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 28 INSTALLATION DRIVE MECHANISM AND CRANK ARM INSTALLATION 11 Press the large shifter paddle to pull the actuator and retract 11 ai D the pawls on the collar assembly Apply grease to the drive 7 side bottom bracket splines and crank bolt threads Use an 8 mm hex to install the drive side crank arm assembly making O sure the spindle splines engage with the bottom bracket A Y Tighten the crank bolt until it stops and torque to 48 54 N m 425 478 in lb gt O p AT C 48 54 N m 425 478 in lb J NON DRIVE SIDE CRANK ARM INSTALLATION 12 3 grease to the non drive side bottom bracket splines and Pai crank bolt threads Align the non drive side crank arm to be 180 opposite the drive side crank arm Use an 8 mm hex to install the non drive side crank arm making sure the spindle splines engage with the bottom bracket Tighten the crank bolt until it stops and torque to 48 54 N m 425 478 in lb Check that the crank arm contacts non drive side crank stop no gap If
29. ghted as a collective work under the United States and other copyright laws and is the property of SRAM Corporation Copyright 2009 SRAM LLC ALL RIGHTS RESERVED Any other use including but not limited to the reproduction distribution display or transmission of this content of this catalog is strictly prohibited Other names of products and companies mentioned in this catalog may be the trademarks oftheir respective owners All information and specifications in this catalog are subjectto change without notice The following are trademarks or registered trademarks of SRAM Corporation in the United States and other countries SRAM RockShox Avid Truvativ 1 1 Grip Shift Torpedo U Turn Bar BoXXer Pike SID Reba BlackBox Climb It Control Tullio Juicy Single Digit Speed Dial Arch Rival Black Ops Flak Jacket Full Metal Jacket Hussefelt Holzfeller Luftalarm Stylo Firex IsoFlow Touro Giga Pipe FiveD Isis Drive design Wavo X 0 X 9 X 7 5 0 4 0 3 0 X 5 SX5 1 1 Actuation Ratio TRX Attack Rocket SRAM Rocket Centera MRX PowerChain PowerGlide PowerLink PowerLock SaltShaker Impulse Technology Thumbs Up Zero Loss Travel C3 Composite Zero Loss Travel Cable Cradle StraightShot Uni Lever Quick View i LIGHT i BRAKE i MOTION i MOTION 3 i MOTION 9 Sparc S7 P5 T3 DualDrive TwinDrive Bandix Force Rival DoubleTap HCT OCT Exact Actuation Mission Control 2 Step Maxle Maxle 360 Solo Air Dual Ai
30. gle chainring mounts in the middle position when used with Boxguide Step 4 BOXGUIDE ONLY 1 0 1 5 mm between 3 5 4 5 N m 30 40 in Ibf 35 46 kgf cm USE THREADLOCKER Torque Set Screws to N gt E chain and Inner Box surface gt Inner Box A Chainring A crank completely installed View from rear H Figure 6 SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL Laterally adjust Inner Box Torque M6 Box Mounting Bolt to BOXGUIDE 10 11 N m 7 8 ft lbf Clearance between Inner Box 97 111 kgf cm and chainring tooth 3 5 4 5mm i OR 1 0 2 0mm between chain USE THREADLOCKER and Inner sie ft Torque M6 bolt to 1 Adjust Inner Box to achieve gap as noted at left 8 9 5 N m 6 7 ft lbf 81 5 97 kg cm USE THREADLOCKER Figure 7 e Clearance between Guide Block i and MIDDLE chainring tooth 5 0 7 0mm Adjust Roller to hold OR 2 5 4 5mm between chain chain against and Guide Block chainring then back A1 off 1 2mm and y Monten A Torque M6 Guide Block SHIFTGUIDE deL od j 7 8 ft lbf 97 111 kgf cm Torque M6 bolt to USE THREADLOCKER 8 9 5 N m 6 7 ft Ibf A 81 5 97 kg cm USE THREADLOCKER SY It is normal for the guide block to contact the chain during shifting Adjust Roller to Figure 8 contact Rockguard Me Step 6 BOXGUIDE ONLY
31. he manufacturer of your bottom bracket facing tool for proper operation of the tool SRAM LLC 2010 TRUVATIV TECHNIERPUMANAO SRAM Corporation e 2009 23 FRAME PREPARATION FRAME PREPARATION PART 2 Ok are you ready for the final and most critical step in frame preparation Step 3 Replace the bottom bracket facing cutter on your tool with the Truvativ ISCG tab facing cutter that is appropriate for your size ISCG tabs and remove all spacers from the cutter e f your ISCG tabs are flush with the face of the bottom bracket shell zero offset you will only be facing the tabs to ensure they are parallel to the bottom bracket shell face Face the ISCG tabs using the same method provided by the manufacturer of your bottom bracket facing tool If the cutter does not completely face the surface of each tab add a 0 5 mm spacer to the cutter tool and face again When you are finished facing be sure the ISCG tab surface is smooth and free from burrs and debris NOTE If you added a 0 5 mm spacer to the cutter you now have a 0 5 mm offset to your tabs Write this number down you will need it later e f your ISCG tabs are offset inboard of the face of the bottom bracket shell you will need to determine that offset prior to facing so you can space the cutter tool to match Use the depth stick on the caliper and measure the depth at all three tabs Select the largest of the three numbers and write i
32. he section already in the groove Once the damper is in apply light pressure to the damper to smooth the damper and seat it evenly Verify that there are no twists in the damper Press a new ring spacer inside the damper The ring spacer will fit in tightly inside the damper and its outline should match the profile of the 1 1 pawl teeth SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 41 TECHNICAL SERVICE 24 Apply grease to the inside of the bearing Make sure you fill all of the gaps with grease Spin the bearing to evenly distribute the grease Pq noroughly grease ring gear teeth and 1 1 pawl teeth LUBRICATE SUN GEAR ASSEMBLY 26 Ply grease to pawls pawl seats and spring groove of the sun gear 27 Prly grease to the gear teeth and pawl teeth on the inside of the sun gear SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 42 TECHNICAL SERVICE REASSEMBLE MECHANISM ASSEMBLY Place the sun gear assembly inside the ring gear Rotate the sun assembly counter clockwise inside the ring to allow the 1 1 pawls to mesh with the corresponding pawl teeth Apply grease to the sun retainer groove Hold the sun firmly against the ring and flip the assembly over Using a flathead screwdriver reinstall the sun retaining ring by pushing it into the groove on the sun assembly Ensure the retaining ring is fully seated into the groove 37 tal a small dab of grease to the outside of the bearing and the inside of the ca
33. hed between collar Check to confirm that the excess cable beyond the cable anchor bolt is plate and frame or ISCG spacers trimmed to the correct length and allowed to move freely If not remove cable from pinch point ISCG tabs are not perpendicular to Use SRAM ISCG cutting tool and face ISCG tabs perpendicular to BB the BB axis axis ISCG tabs do not meet Confirm frame compatibility with the HammerSchmidt ISCG tab gages HammerSchmidt dimensional Frames with ISCG tabs that do not meet the gage criteria are not guidelines recommended for use with HammerSchmidt Loose collar plate Tighten collar plate bolts to proper torque value Broken overdrive spring Replace overdrive spring Contamination on OverDrive Clean and lubricate overdrive pawls pawls Contamination inside actuator Clean and lubricate actuator assembly internals assembly Contamination in mechanism Disassemble inspect clean and lubricate mechanism assembly assembly Wear or damage in mechanism Disassemble mechanism assembly and examine gear teeth and pawls assembly for wear or damage Unusual Noises Loose collar plate Tighten collar plate bolts to proper torque value Creaking Loose crank bolts Tighten crank bolts to proper torque value nes Loose bash guard nut Tighten bash guard nuts t t Er mbino oose bash guard nuts ighten bash guard nuts to proper torque value Buzzing Loose planet nuts Remove bash guard nuts and bash guard Tighten planet nuts to proper
34. hreads in the bottom bracket shell of your frame Step 2 Left Bottom Bracket Adapter Spacer not included in all assemblies refer to Compatibility Chart Bottom Bracket E AA a 2 TROVAT quare OD caile 2 9 MEE M0 Son 0 For E type ED or Chainguida oniy O o 8 00 S0 40 119 78 shell 10 Spaar O gt ot compat with E type ED or Ching D MEN Fe i SPACER TO R I i 2 Cc AANA O E a Z Apply grease Figure 2 Prepare the bottom bracket as shown use the spacer if it is included and required for your application refer to the Compatibility Chart Apply grease to the surfaces shown in Figure 2 Assembly Step 1 Grease frame threads English thread CCW to tighten Torque to 34 41 Nem 25 30 ftelbf 346 415 kgf cm Figure 3 Step 1 cont d Thread the prepared bottom bracket into the drive side right side of the frame until the flange or spacer if applicable bottoms against the frame shell face Torque to 34 41 Nem 25 30 ftelbf 346 415 kgf cm using a torque wrench Refer to Figure 3 Step 2 Grease frame threads Clockwise to tighten Torque to 34 41 Nem 25 30 ftelbf 346 415 kgf cm Figure 4 Thread the prepared left adapter cup into the non driveside left side of the frame The tightening direction is clockwise refer to Figure 4 Torque the left adapter cup to 34 41 Nem 25 30 ftelbf 346 415 kgfecm using a torqu
35. it doesn t you will need to remove the crank arm apply additional grease and re install 48 54 N m 425 478 in lb y in lb 5 INSTALL CHAIN AND ADJUST CHAIN GUIDE 13 Size and install a new SRAM chain according to the installation N N instructions Use a 2 5 mm hex to adjust the location of the chain guide if necessary Make sure the chain guide does not interfere with the chain when the rear suspension Is fully compressed Ss o y SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 29 USE MAINTENANCE HAMMERSCHMIDT USE HammerSchmidt has two front transmission gears 1 1 and Overdrive In 1 1 everything in the mechanism is locked and spinning together one turn of the pedals equals one revolution of the chainring This is great for tackling steep climbs In Overdrive one turn of the pedals equals approximately 1 6 revolutions of the chainring This is great for hammering big descents The shift from 1 1 to Overdrive can be made smoothly and instantly using the proprietary HammerSchmidt X 0 or X 9 trigger shifters Press the large shifter paddle to pull cable and you re in 1 1 Instantly Press the small shifter paddle to release cable and you re in Overdrive Instantly With only two shifting directions you ll never make a bad shift Remember you can shift in any circumstance no matter what your chain tension is without having to plan ahead HammerSchmidt does not depend on pedaling
36. ivalent Assembly Step 1 BOXGUIDE Flange Mount Roller Plate and Fixture Plate SHIFTGUIDE Shiftguide mounting plate Frame Bottom Bracket Shell View from rear Bottom Bracket Figure 1 BOXGUIDE Fixture Plate 11 12 o clock Mounting orientation Y BOXGUIDE Torque M6 Buttonhead Fixture Plate Mount Bolts to C SHIFTGUIDE 7 BOXGUIDE 7 8 N m CHAIN TENSIONER 5 6 ft lbf 7 8 o clock 69 83 kgf cm USE THREADLOCKER Figure 2 19 BOXGUIDE SHIFTGUIDE CHAIN TENSIONER Step 2 Boxguide shown Shiftguide and Chain Tensioner assembly are similar Step 9 XR version Bushing Roller Bushing roller TEAM version Bearing Roller Tapered bushing Tapered Cartridge bearing roller Gy nut M6 Buttonhead Y Apply threadlocker la AN lan la J i Bushing roller Apply threadlocker Apply grease M6 Buttonhead Figure 3 Assemble loosely to allow final adjustment Step 3 SHIFTGUIDE Guide block standoffs Use with 68mm shell x 51mm chainline only Omit for all others gt gt 7 Uy Shiftguide mountin M6 cap screws plate j Guide block Set Screws M6 Box Plate Bolt a and Washer I BOXGUIDE lt _ Inner Box Box Mounting Plate mounted towards frame Figure 4 XR version Bushing Roller Use short bushing wy SS Figure 5 Assemble as shown above Sin
37. ive Pawls 25 Collar Plate Mounting Bolts 26 Collar Plate 27 Chain Guide 28 Actuator Assembly 29 Actuator 30 Cable Anchor Bolt and Washer 31 Actuator Spring HAMMERSCHMIDT BEARING REMOVAL TOOL 32 Wiper Seal 33 Seal Disk da iai 36 Vice Tool eee 37 Tool Clamp 38 Shoulder Screw SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 31 SERVICE SCHEDULE TORQUE VALUES SERVICE INTERVAL SCHEDULE To maintain optimal performance and durability of the HammerSchmidt periodic maintenance is required If you ride in extreme conditions maintenance should be performed more frequently We recommend that you have your Truvativ HammerSchmidt serviced by a qualified bicycle mechanic Servicing the HammerSchmidt requires advanced mechanical skill knowledge of planetary gear systems as well as access to and knowledge of use of the special tools required for service O hours Collar Plate Mechanism and Crank ali Clean dirt and debris rom inside of mechanism and re lubricate oo HAMMERSCHMIDT SYSTEM TORQUE VALUES Recommended torque values for the HammerSchmidt are provided below Do not exceed the recommended torque values Over tightening can result in damage to the unit Bottom Bracket Bottom Bracket Cups umo 41 ae 363 Truvativ ISIS and GXP tools or equivalent Cable Housing Stop Boks os s 2mmre Chain Guide Bots Jor Je 25mh Cotar Plate Bots fas ao amme Disko CCAA E Planetas fse so me Use o
38. ll of your frame i e Italian or English threads Step 2 Left Adapter Cup Note will not bottom against frame shell when installed Spacer use only with 68 83 100mm non E type CG application Not applicable to ISIS Overdrive MM SPINDLE MM SHELL USE SPACER Non drive side left Drive side right Apply grease O ring use for all 68mm shell applications Not applicable to ISIS Overdrive Figure 2 Pre assemble the bottom bracket as shown omitting the spacer and or O ring if not used in your application refer to the Compatibility Chart Apply grease to the surfaces shown in Figure 2 15 Assembly English thread and ISIS Overdrive thread CCW to tighten Italian thread CW to tighten Torque to English Italian BB 34 41 Nem 25 30 ftelbf 346 415 kgf cm ISIS Overdrive 61 68 Nem 45 50 ftelbf 622 691 kgf cm Figure 3 Thread the prepared bottom bracket into the drive side right side of the frame until the flange or spacer if applicable bottoms against the frame shell face Torque to 34 41 Nem 25 30 ftelbf 346 415 kgf cm or 61 68 Nem 45 50 ftelbf 622 691 kgfecm for ISIS Overdrive BBs using a torque wrench Note the tightening direction for Italian and English or ISIS Overdrive threaded bottom brackets shown in Figure 3 Step 2 English ISIS Overdrive and Italian thread CW to tighten Torque to English Italian BB 34 41 Nem 25 30 ftelbf 346 415 kgfecm ISIS Overdrive 61 6
39. lug Align the stem to the bike then preload the headset by installing the top cap bolt to the torque specified by your headset manufacturer s instructions Tighten the steerer clamp or direct mount bolt s in increments of one full turn in 6 an alternating fashion to 7 9 9 0 N m 70 80 in lb WARNING Do not over tighten the steerer clamp bolt s Over tightening the steerer clamp bolt s could damage the fork s steerer tube and cause it to fail which could lead to serious injury and or death Install handlebar onto stem WARNING CARBON HANDLEBARS AND STEMS If your handlebar and or stem is carbon you must apply friction paste to the contact surfaces Friction paste is designed to create friction between the contact surfaces to prevent the handlebar from slipping without over torquing the face clamp bolts Coat each contact surface of the handlebar and stem with a moderate amount of friction paste prior to installing Failure to use friction paste could cause your handlebar to slip while riding which could lead to serious injury and or death Center the handlebar in the stem face clamp and angle it to suit your personal preference Finger tighten the face clamp bolts such that there is an equal gap on the top and bottom of the stem face clamp and each bolt head touches the stem surface Tighten each bolt one full turn in a continuous sequence while maintaining an equal gap on the top and bottom of the stem face clamp To
40. manual for exact torque specifications Crankarm should contact crankstop after installation Should they not remove the crankarm s and re install until crankarms contact crankstop before maximum torque of 42 Nem 31 ftelbf 429 kgf cm 18 BOXGUIDE SHIFTGUIDE CHAIN TENSIONER Congratulations Thank you for purchasing a Truvativ chainguide The following instructions should be read thoroughly before installation Improper installation of your Truvativ Boxguide or Shiftguide may cause an unexpected failure of the parts that could cause you to lose control of your bicycle resulting in serious injury or death We recommend having your parts installed by a qualified bicycle technician Truvativ assumes no responsibility for malfunction or injury due to faulty installation Compatibility Capacity min max 34 46 Chainguide Model 00 6300 002 090 130 00 6300 002 110 150 190 34 46 00 6300 002 080 120 34 38 00 6300 002 100 140 34 38 00 6300 001 030 020 22x32 00 6300 007 006 000 or 24x36 Notes Represents ring capacity fo Boxguide however frame design may limit maximum ring size Your Truvativ bottom bracket will specify which shell width it can accommodate i e 68 68E 73 etc The Boxguide is compatible with Truvativ Bashguards but not Rockguards Use the correct size Bashguard for the chainring you are using Bashguards are available in 34 36 38 40 42 44 46 sizes Refe
41. n checker and the arrow on the pin checker should point toward the rear wheel axle If the tool is difficult to insert won t fit at all or the arrow doesnt point toward the rear wheel axle you cannot use HammerSchmidt on your frame If you need additional help to determine the compatibility of HammerSchmidt you can visit www magicmechanics com or head over to your local Truvativ dealer for assistance COMPONENT COMPATIBILITY CHECK e Bottom Bracket HammerSchmidt BB only e Front Shifter HammerSchmidt X 0 and X 9 trigger shifters only e Chainrings HammerSchmidt 22 or 24 tooth e Chains 1x 1 7 8 and 9 speed SRAM or Shimano chains NON COMPATIBILITY Do not mount HammerSchmidt to an ISCG adapter device ISCG adapters do not provide enough structural integrity to handle the weight and loads applied by HammerSchmidt ISCG adapters are only intended as a means to mount chain guide devices to non ISCG frames make sure you keep it that way SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 22 FRAME PREPARATION FRAME PREPARATION The following sections on Frame Preparation call for making permanent and non reversible modifications to your frame requiring advanced mechanical knowledge skills and tools We recommend these procedures only be performed by a qualified bicycle mechanic If you choose to perform these procedures yourself you should read and understand these instructions and have a working knowledge of tools required p
42. n installation replace it with a new one Make sure that the spring Is fully seated in the groove of the collar plate and the pawls Collar Seal Reassembly Pull the actuator arm so the pawls are retracted and re install the collar seal lip side down Make sure it is fully seated and check again that the pawls can extend and retract without interference Chain Guide Reassembly If the chain guide was removed due to damage install a new chain guide onto the collar plate in the same location as before the service Using a 2 5 mm hex wrench install the two chain guide screws Torque to 0 7 N m 6 in lb REASSEMBLE THE COLLAR PLATE ASSEMBLY For reassembly of the collar plate assembly follow the instructions as shown under headings Collar Plate Assembly Installation in the Installation section of this manual For installation of the shifter cable and shifter adjustment follow the instructions as shown under headings HammerSchmidt Shifter Installation in the Installation section of this manual SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL Before setting out on a ride perform a parking lot test to ensure the HammerSchmidt shifts and functions properly This concludes the Collar Plate Assembly Service for your HammerSchmidt You did a great job SAFETY CHECK ah 54 COPYRIGHT All content included in this catalog including but not limited to text graphics or images is copyri
43. ndamaged there should be no paint or dirt present Have your bottom bracket shell chased and faced by a professional bicycle mechanic for best results Make sure the threads of your GXP bottom bracket match the threads in the bottom bracket shell of your frame IT for Italian threading etched on the bottom bracket cup BSA for standard threading or TD for tandem captain Lo Apply grease to the bottom bracket as illustrated Refer to the Compatibility chart for spacer configuration The bearing seals should be pressed into the bottom bracket cups so that the outer lip seats firmly into the bottom bracket cup groove IMPORTANT drive side bearing seal has larger inner diameter than non drive side seal Tandem captain GXP bottom brackets have identical seals Apply grease to the crank spindle surfaces indicated SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 12 GIGA X PIPE BOTTOM BRACKETS AND CRANKSETS 16 mm 5 8 Elita 10 mm 12 15 Nem 106 133 in lb Pa Italian IT 34 41 Nem 301 363 in lb 34 41 Nem 301 363 in lb SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL es If itis not already assembled prepare the self extracting crank bolt as illustrated Apply grease to the surfaces indicated Use a 16 mm hex 5 8 10 mm hex for Elita cranksets to install self extracting crank bolt and torque to 12 15 Nem 106 133 in lb INSTALLATION Thread the drive side bottom bracket cup into the frame u
44. nism assembly assembly Wear or damage in mechanism Disassemble mechanism assembly and examine gear teeth and pawls assembly for wear or damage Incorrect ISCG spacers installed Confirm offset and spacer configuration on offset ISCG tabs ISCG tabs out of spec Use SRAM ISCG cutting tool and face ISCG tabs perpendicular to BB axis SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 33 TROUBLESHOOTING Issue Possible Cause C Erratic Shifting Too little tension in shift cable Adjust the shifter by turning barrel adjuster on the shifter counter clockwise If barrel adjuster will not provide sufficient adjustment reattach cable at the cable anchor bolt per Shifter Installation Instructions Too much tension in shift cable Adjust the shifter by turning barrel adjuster on the shifter clockwise If barrel adjuster will not provide sufficient adjustment reattach cable at Malfunctioning or damaged shifter the cable anchor bolt per Shifter Installation Instructions Cycle the shift lever several times to confirm proper function Replace shifter if necessary Contaminated or improperly Check that housings are properly routed and that cables move freely routed shift cable housing within the housing Properly routed cables will take a smooth path to the cable stop and provide enough slack for handlebar and any suspension linkage movement Clean and lubricate or replace housings if necessary Cable end pinc
45. nly the HammerSchmidt grease kit for re lubrication Poor performance and accelerated wear can be expected from use of other lubricants SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 32 TROUBLESHOOTING TROUBLESHOOTING If performance issues arise please consult the following table for possible solutions For more information please contact your local dealer or SRAM Dealer Service issue Possible Cause E Stuck in Over Too little tension in shift cable Adjust the shifter by turning barrel adjuster on the shifter counter drive Loss of clockwise If barrel adjuster will not provide sufficient adjustment 1 1 Gear reattach cable at the cable anchor bolt per Shifter Installation Instructions Malfunctioning or damaged Cycle the shift lever several times to confirm proper function Replace shifter shifter if necessary Contaminated or improperly rout Check that housings are properly routed and that cable moves free ed shift cable housing ly within the housing Properly routed cables will take a smooth path to the cable stop and provide enough slack for handlebar and suspension linkage movement Clean and lubricate or replace housings if necessary Cable end pinched between collar Check to confirm that the excess cable beyond the cable anchor bolt is plate and frame or ISCG spacers trimmed to the correct length and allowed to move freely If not remove cable from pinch point Contamination on overdrive pawls
46. nstall and torque to 34 41 N m 301 363 in lb CHAINRING REPLACEMENT OPTIONAL 5 If you want to change your chainring size now is a convenient time to do it Locate the retaining ring on the HammerSchmidt mechanism crank arm and use a flathead screwdriver to gently pry the retaining ring off the ring guide Remove the ring guide and chainring Install your other chainring Re install the ring guide and carefully press on the retaining ring using the flathead screwdriver Make sure the retaining ring is fully seated in the groove of the ring guide by rotating it a couple of revolutions INSTALLATION 6 Check that the seal disk for your frame s ISCG standard ISCG 03 or ISCG 05 is installed If you need to change out the seal disk use a 4 mm hex to remove the cable anchor bolt and a 2 mm hex to remove the seal disk retaining bolt then switch seal disks Make sure the recess on the seal disk anchor bolt window faces down Re install the cable anchor bolt until it is hand tight Re install the seal disk retaining bolt and torque to 0 5 N m 4 in 1b SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL de 34 41 N m 301 363 in lb e INSTALLATION 7 W collar assembly must sit flush with the bottom bracket shell face or spacer for 68 mm bottom brackets So now you need to determine if you need to add ISCG tab spacers If your frame s ISCG tabs are flush with
47. ntil the flange or spacer contacts the bottom bracket shell face Torque to 34 41 Nem 301 363 in lb Thread the non drive side bottom bracket cup into the frame until the flange or spacer contacts the bottom bracket shell face Torque to 34 41 Nem 301 363 in lb la Apply grease to the inner bearing races as illustrated Slide the right crankarm assembly spindle through the drive side bottom bracket cup until the splines come through the non drive side bottom bracket cup and the spindle stops lay Assemble the left crank arm onto the bottom bracket spindle using an 8 mm hex and torque to 48 54 Nem 425 478 in lb Check the assembly for play by rocking the crank arms back and forth away from frame If the crank moves tighten crank arm bolt until no play is detected If maximum torque of 54 Nem 478 in lb has been achieved remove the crank arm from the spindle apply additional grease and repeat installation proceedures until play is eliminated 13 y 31 34 Nem 274 301 in lb J 8 mm 48 54 Nem A 425 478 in lb 31 34 N m f 274 301 in lb SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL GIGA X PIPE BOTTOM BRACKETS AND CRANKSETS Grease the pedal threads and install pedals to the crankarms Torque to 31 34 Nem 274 301 in lb Use the included pedal washers a Figure 9 if the pedal contact surface is not flat and smooth IMPORTANT drive side is right hand pedal thr
48. ols e Rear shock mounting hardware and outer and main seals e Handlebar grips e Upper tubes stanchions e Shifter grips e Stripped threads bolts e Jockey wheels aluminium titanium e Disc brake rotors magnesium or steel e Wheel braking surfaces This warranty shall not cover damages caused by the use of parts of different manufacturers This warranty shall not cover damages caused by the use of parts that are not compatible suitable and or authorised by SRAM for use with SRAM components This warranty shall not cover damages resulting from commercial rental use Copyright SRAM LLC 2009 For exploded diagram and part number information please refer to the Spare Parts Catalog available on our website at www sram com For order information please contact your local SRAM distributor or dealer Information contained in this publication is subject to change at any time without prior notice For the latest technical information please visit our website at www sram com Your product s appearance may differ from the pictures diagrams contained in this catalog Product names used in this document may be trademarks or registered trademarks of others SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 2010 TRUVATIV Technical Manual TABLE OF CONTENTS ROAD GRAINRING COMPATIBILITY CHAR Ts lt ca 6 MTB ARANDLEBARS AND STEMS cias 1 PRESSFIT GAP BOTTOM BRAGKET AND GRANKSED soi a ta 10 GIGA X PIPE BOTTOM BRAGKETS AND CRANK ias 1
49. r TurnKey IsoLite IsoLite Cushion Air U Turn Rear Maxle PopLoc PopLoc Dual PopLoc Adjust PushLoc Ario Pearl MC Argyle Domain Totem Lyrik revelation Recon Tora Dart Code Ultimate Shorty Force Vector Alignment BB5 BB7 FR5 Boxguide Shiftguide Engineering the shift XR Team LE 3D XR 3D Team 3D Rouleur Team BMX Racing XR Racing Team Racing Junior Ruktion Noir Blaze 5D X Flow Elita Power Spline GXP Giga X Pipe ISIS Overdrive Square LE Howitzer Beyond Performance and Innovative Bicycle Components WORLD HEADQUARTERS SRAM Corporation 1333 N Kingsbury 4th Floor Chicago Illinois 60642 United States of America Phone 1 312 664 8800 Fax 1 312 664 8826 E mail sramusa sram com ASIAN HEADQUARTERS SRAM Taiwan No 1598 8 Chung Shan Road Shen Kang Hsiang Taichung County 429 Taiwan R O C Phone 886 4 2561 3678 Fax 886 4 2561 3686 E mail sramasia sram com EUROPEAN HEADQUARTERS SRAM Europe Basicweg 12 D 3821 BR Amersfoort The Netherlands Phone 31 33 450 6060 Fax 31 33 457 0200 E mail srameurope sram com SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 55 world headquarters SRAM corporation 1333 n kingsbury st 4th fl chicago il 60642 phone 1 312 664 8800 fax 1 312 664 8826 WWw Sram com european headquarters SRAM europe basicweg 12 d 3821 br amersfoort the netherlands phone 31 33 450 6060 fax 31 33 457 0200 asian headquarters SRAM taiwan no 1598 8 chung
50. r to Step 3 and Figure 5 for chainguide setup with the Bashguard The Shiftguide must be used with a Truvativ Rockguard Choose the proper size Rockguard for the middle chainring you are using Rockguards are available for 32T and 36T sizes Parts and Tools M6 Box Mounting Bolt 2 Set Screws hidden Washer hidden Guide block Box Mounting Plate 2 Guide block geen standoffs hidden for use 7 N 0 with 68mm shell N Trou 2 M6 socket head x 51mm chainline only j Outer Box Shiftguide 2 WO mounting Fixture Plate capscrews plate 3 M6 buttonhead bolts 3 6mm washers Roller Plate OF Team Version Bearing Roller Assembly Bushing Roller Assembly 1 Roller with 2 bearings installed not shown 1 Tapered bushing 1 Roller 1 Tapered nut 1 Short bushing nut 1 M6 buttonhead bolt 1 M6 buttonhead bolt 2 6mm washers 2 6mm washers Boxguid XR Version Rev 8 JUL 2007 SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL Boxguide Roller Plate will look similar to ONE of the following depending on Boxguide model ISCG ICMS Roller Plate BB Flange mount roller plate Tools 2 5mm 4mm 5mm 6mm hex wrenches Truvativ X Tool or Truvativ GXP Howitzer tool PARK BBT9 or equivalent optional only for installing Truvativ BB Phillips head screw driver Torque wrench Supplies Medium strength threadlock compound Loctite 242 or equ
51. rease over the entire actuator evenly 15 distributing it with a small grease brush or your finger Apply a light coat of grease to the corresponding recess in the collar plate SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 51 TECHNICAL SERVICE 16 Insert the actuator into the collar plate and install the actuator spring by squeezing the tips together and pressing it into the collar plate recess Wiper Seal Reassembly Fit the wiper seal over the cable bolt tab on the actuator Seal Disk Reassembly 18 Replace the seal disk with the recessed side down SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 52 TECHNICAL SERVICE 19 Using a 2 mm hex wrench install the seal disk bolt Torque to 0 6 N m 5 0 in lb Cable Anchor Bolt Reassembly Using a 4 mm hex wrench install the cable anchor bolt and washer Tighten to hand tight Overdrive Pawls Reassembly 21 al a light coat of grease to pawl seats on the collar plate assembly Install the pawls in the collar plate assembly Make sure the pawls are oriented correctly The round end should be seated in the pocket and the square end should be exposed SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL gt 53 TECHNICAL SERVICE Carefully stretch the overdrive spring around into the grooves of the collar plate and each of the pawls Be careful not to damage the spring upon removal by over stretching or kinking it If the spring is damaged upo
52. rior to starting work on your frame In addition you should wear your safety glasses until you have completed all the steps in this manual FRAME PREPARATION PART 1 Now that you have determined that the ISCG tabs on your frame are compatible with HammerSchmidt it is time to make sure the face of the bottom bracket shell and ISCG mounting surfaces are parallel and uniform This is a critical process because one part of the HammerSchmidt mechanism is located off the bottom bracket shell while the other part is located off the ISCG tabs When they are mated together the HammerSchmidt internals need to be aligned so they can engage and function properly Let s get started Make sure your frame s bottom bracket shell threads are clean and undamaged there should be no paint or dirt in there For best results have your bottom bracket shell tapped by a professional bicycle mechanic Step 1 Measure your bottom bracket shell width with a pair of digital calipers The shell width should be either 68 73 or 83 mm 0 3 0 2 mm Step 2 Face the bottom bracket shell This will create a flat surface for ISCG cutter to bottom out on in the next step Keep in mind the tolerances as you face the bottom bracket shell If the shell width exceeds the maximum tolerance value 0 3 mm you will need to face it within specification However do not face shorter than the minimum tolerance value allows 0 2 mm Follow the instructions provided by t
53. rque to 5 6 6 8 N m 50 60 in lb MTB HANDLEBARS AND STEMS SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL Install handlebar controls according to manufacturer s instructions ADVICE Avoid scratching or gouging the handlebar when installing controls Remove any burrs from the control clamp surfaces and smooth with 400 grit sandpaper We highly recommend the use of friction paste when installing controls on a carbon handlebar Coat each contact surface ofthe handlebar and controls with a moderate amount of friction paste prior to installing Do not install controls on the bend of riser handlebars A WARNING SRAM X 0 and X 9 SHIFTERS WITH TRUVATIV CARBON HANDLEBARS Because of the unique design of the clamp for SRAM X 0 and X 9 shifters do not exceed 3 N m torque when mounting to Truvativ carbon handlebars You must apply a moderate amount of friction paste to the contact surfaces of the handlebar and controls prior to installation Failure to follow these instructions could cause damage to the handlebar which can lead to premature fatigue and or failure of the handlebar resulting in serious injury and or death A WARNING BAR ENDS Any damage to the handlebar when installing bar ends voids your warranty and can lead to premature fatigue and or failure of the handlebar resulting in serious injury and or death Standard handlebar be sure to install non compressible bar plugs prior to installing bar ends Make certain the end o
54. rrier assembly Using a grease brush or your finger spread the grease all the way around the edge of each SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 43 TECHNICAL SERVICE Place the bearing assembly on top of the carrier assembly Wiggle them together until the bearing assembly slides slightly into the carrier assembly Turn the ring gear counter clockwise to ensure the gears mesh properly Continue to turn the bearing assembly counter clockwise until it is fully hand threaded into the carrier assembly Place mechanism assembly on the base of the bearing removal tool so the tool pins fit into the recesses on the outer race Place the tool clamp over the planet posts Using a 5 mm hex wrench secure the clamp to the HammerSchmidt with the planet nuts Torque to 5 6 N m 50 in Ib Using a 24 mm wrench tighten the mechanism assembly Torque to 25 N m 217 in lb Remember the HammerSchmidt mechanism assembly is left hand threaded SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 44 TECHNICAL SERVICE CHAINRING INSTALLATION 36 el a small dab of grease to the splines and retaining ring groove of the ring gear Using a grease brush or your finger spread the grease all the way around the edge Slide the chainring and guide ring into position Using a flathead screwdriver install the chainring retaining ring Make sure that it is fully seated in the groove of the ring gear by rotating it a couple of revolution
55. rth in the seal disk window You should see the pawls in the collar assembly extend to catch and retract to release there should be no binding of the actuator If you removed the rubber seal from the front of the collar assembly slide the anchor bolt so the pawls are retracted and re install the rubber seal lip side down Make sure It is fully seated and check again that the pawls can extend and retract without interference HAMMERSCHMIDT SHIFTER INSTALLATION Install your HammerSchmidt shifter onto your handlebar in a position that is right for you Use a 5 mm hex to tighten the shifter clamp bolt and torque to 2 5 4 N m 22 35 in lb Turn the shifter adjuster barrel clockwise until It stops then turn the adjuster barrel counter clockwise one full turn Measure the amount of cable housing you will need to route the housing from the shifter into the cable stop on the collar assembly Cut the housing with the cable cutters Remember measure twice cut once Feed the cable through the cable housing and route the housing from the shifter into the cable stop Make sure the housing has a slight bend as it reaches the collar assembly and fits easily into the cable stop Press the small shifter paddle to ensure the cable is fully released Loosen the cable anchor bolt pull the shifter cable taut and attach it to the actuator making sure the cable is sitting in the groove of the anchor bolt Keeping the shifter cable pulled tau
56. ruvativ GXP road double cranksets in frames designed with sleeveless PressFit bottom bracket shells of 86 5 mm width and 41 mm diameter PressFit GXP MTB Bottom Bracket enables the use of SRAM and Truvativ GXP MTB triple cranksets in frames de signed with sleeveless PressFit bottom bracket shells of 89 5 mm or 92 mm width and 41 mm diameter TOOLS Installation Safety glasses Headset Press Park Tool HHP 2 or equivalent 8 mm 16 mm 5 8 hex Grease Torque wrench Pick PREPARE PARTS Carefully remove the bearing shields from the bottom bracket cups You may need to use a pick to free the shields from the bottom bracket cups Apply grease to the bottom bracket surfaces as indicated Generously apply grease to the the crank spindle as indicated INSTALLATION ATTENTION Bearing shields must be removed from the bottom bracket cups prior to installation step 1 ATTENTION For PressFit GXP MTB bottom brackets only If the bottom bracket shell width is 89 5 mm wide install the 2 5 mm spacer between the drive side cup and frame No spacer is required for a bottom bracket shell width of 92 mm 4 Using a headset press press the drive side bottom bracket cup into bottom bracket shell until bottom bracket cup flange is fully seated against bottom bracket shell Repeat process for non drive side bottom bracket cup Consult your headset press manufacturer s instructions for proper operation of the headse
57. s CRANK ARM INSTALLATION Clean and lightly grease the carrier seal on the crank arm gti e reinstall the crank arm place arm over the planet posts Insert the planet nuts and use 5 mm hex torque wrench to torque to 5 6 N m 50 in lb SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 45 TECHNICAL SERVICE BASH GUARD INSTALLATION 41 i replace the bash guard place it over the planet nuts Using a 5 mm hex wrench tighten the bash guard bolts Torque to 4 5 N m 40 in lb REASSEMBLE THE MECHANISM ASSEMBLY AND DRIVE SIDE CRANK A R M For reassembly of the mechanism assembly and drive side crank arm follow the instructions as shown under headings Drive Mechanism and Crank Arm Installation in the Installation section of this manual This concludes the Mechanism Assembly and Drive Side Crank Arm Service for your HammerSchmidt You did a great job SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 46 TECHNICAL SERVICE COLLAR PLATE ASSEMBLY SERVICE Parts and tools needed for service e Safety glasses e Clean rags e HammerSchmidt grease kit e Gloves e Pick e Small grease brush optional 2 2 5 and 4 mm hex wrenches You must use the grease supplied in the HammerSchmidt grease kit unless otherwise specified Using any other grease will void your warranty REMOVE THE COLLAR PLATE ASSEMBLY 1 Shift the HammerSchmidt into overdrive by pressing the small shifter paddle Using a 4 mm hex wrench loos
58. sahn rd shen kang hsiang taichung county 429 Taiwan R O C phone 886 4 2564 3678 fax 886 4 2561 3686
59. t down this is your offset Locate your offset in the chart below and select the spacer or combination of spacers from those supplied with the Truvativ ISCG cutter The cutter comes with 0 5 mm 1 mm and 2 mm width spacers each marked with its width For 68 mm width bottom brackets do not exceed 0 5 mm of cutter tool spacing For 73 mm and 83 mm width bottom brackets do exceed 3 0 mm of cutter tool spacing OFFSET mm ISCG CUTTER SPACER S REQUIRED 0 0 None 0 1 0 5 0 5 mm 0 6 1 0 1 0 mm 1 1 1 5 1 5 mm 1 6 2 0 2 0 mm 2 1 2 5 2 5mm 2 6 3 0 3 0 mmt write this number down you will need it again later on t maximum spacer value for 73 and 83 mm bottom brackets Step 4 Face the ISCG tabs using the same method provided by the manufacturer of your bottom bracket facing tool If the cutter does not completely face the surface of each tab add a 0 5 mm spacer to the cutter tool and face again Remember do not exceed 3 0 mm of spacers When you are finished facing be sure the ISCG tab surface is smooth and free from burrs and debris Flush a For 73 and 83 mm bottom brackets do not exceed 3 0 mm of spacers during facing If you exceed 3 0 mm of spacers the resulting offset will be too large and the custom HammerSchmidt mounting bolts will not have enough thread engagement with ISCG tabs to safely mount HammerSchmidt SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL
60. t press Identification of non drive side bottom bracket cup PressFit GXP ROAD lt orn PressFit GXP MTB SPS SALC UON SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 10 8 mm 48 54 N m 41 54 sk 425 478 in lb 416 478 in lb 47 54 N m 416 478 in lb SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL PRESSFIT GXP BOTTOM BRACKET AND CRANKSET 5 Install the wave washer and then the drive side bearing shield onto the spindle making sure the bearing shield is oriented correctly The stepped lip on the bearing shield should face the bottom bracket shell ADVICE The drive side bearing shield inner diameter has a circular design The non drive side bearing shield inner diameter has a flower like design Gently and completely insert the drive side crank assembly spindle through the bottom bracket cups until the non drive side splines come through the non drive side bottom bracket cup and the spindle stops 7 Install the non drive side bearing shield onto the spindle making sure the bearing shield is oriented correctly The stepped lip on the bearing shield should face the bottom bracket shell not pictured Apply grease to the threads of non drive side crank bolt Place the non drive side crank arm on the spindle and use a 8 mm hex to torque the crank bolt to 48 54 N m 425 478 in lb
61. un Gear Removal Using a small flathead screwdriver gently pry the retainer ring off the sun Separate the sun and bearing assembly SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL 38 TECHNICAL SERVICE Bearing Seal Removal Use a small flathead screwdriver to remove the bearing seal by gently prying upward from the inner edge of the seal Perform this step carefully to avoid bending or damaging the seal If the seal is damaged during removal it should be replaced to avoid creating increased drag and poor sealing performance Ring Spacer and Damper Removal It is not necessary to remove the ring spacer and damper to service the HammerSchmidt mechanism assembly These parts should only be removed for damper replacement to avoid damage from removal Use a pick and pry upward to lift out the ring spacer 15 Use a pick to carefully pry the damper from the ring gear The damper is tightly fitted into a groove on the ring gear and may require firm pressure to position the pick for prying SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL f a pe TT on 39 TECHNICAL SERVICE CLEAN MECHANISM ASSEMBLY Thoroughly clean any contamination and grease from the components ofthe mechanism assembly Ensure that any grease residue is removed from the pawls pawl seats gear teeth and the outer bearing and ensure these components ar
62. upper crown and cut to the proper length Carbon steerer tube 3c the steerer tube must be cut flush with the top of the stem Apply masking tape at the cut location to help prevent the carbon from fraying Use a 28 tooth minimum blade saw and cut to the proper length Smooth the entire cut area with 400 grit sandpaper MTB HANDLEBARS AND STEMS SRAM LLC 2010 TRUVATIV TECHNICAL MANUAL Size your handlebar If necessary your handlebar width can be cut narrower to suit your personal preference IMPORTANT remove handlebar bar plugs prior to cutting Do not cut narrower than the cut down lines specified on the handlebar Standard handlebar use the cut down lines to determine your final handlebar width then cut atthe same mark on each side of the handlebar Carbon handlebar except Noir World Cup riser bar use the cut down lines to deter mine your final handlebar width Apply masking tape atthe same cut down line on each side of the handlebar to help prevent the carbon from fraying Use a 28 tooth minimum blade saw and cut to the proper width WARNING NOIR WORLD CUP RISER BAR Do not cut Noir World Cup riser bars Smooth the entire cut area with 400 grit sandpaper and re install handlebar bar plugs INSTALLATION B Install the stem and top cap on the fork steerer tube IMPORTANT follow your headset manufacturer s instructions for proper installation of the headset compression device star nut or expansion p

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