Road Hydraulic Brake Hose Length Adjustment and Bleed Guide
Contents
1. lever while the hose is removed Disc Brake Caliper Rim Brake Caliper 00 Hose Routing and Length Make sure the hose is properly routed and secured to the bicycle Determine where you need to cut the hose by holding it up to the caliper in the position you like Make sure to leave a gentle bend in the hose with enough length to freely turn the bars all the way from side to side Double check this part because you can t go back after you cut Compression Nut Installation 1 Apply DOT compatible grease to the hose barb threads the compression fitting outer surfaces and the compression nut threads 2 While holding the hose firmly use T10 TORX wrench to thread the new hose barb into the end of the hose until it is flush 3 Slide anew compression fitting over the end of the hose with the new hose barb T10 Hose Installation at the Caliper 1 Push the hose into the caliper until it stops 2 While holding the hose in place slide the compression fitting and compression nut up to the caliper or hose stop Use your fingers to thread the compression nut into the caliper or hose stop until it stops turning 3 While continuing to push the hose into the hose stop use an 8 mm flare nut wrench to tighten the compression nut to 5 N m 47 in Ib 4 Slide the boot Cif applicable back into place Disc Brake Caliper Rim Brake Caliper Bleed the Brakes Cutting the hose introduces air into the system It i2. D RAIT Road Hydraulic Brake Hose Length Adjustment and Bleed Guide SRAM LLC WARRANTY EXTENT OF LIMITED WARRANTY Except as otherwise set forth herein 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 not transferable 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 Except as described herein SRAM makes no other warranties guaranties or representations of any type express or implied and all warranties including any implied warranties of reasonable care merchantibility or fitness for a particular purpose are hereby disclaimed 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
3. Pads Pad Spreader Spring Brake Pads Bleed Port Screw Brake Pad Retainer Bolt E Clip Introduction SRAM brakes come with the hoses attached and bled You do not need to bleed the system prior to installation unless the hose is shortened Parts and Tools Safety glasses Nitrile gloves Bleed Block T10 TORX wrench 8 mm flare nut wrench 2 5 and 4 mm hex wrench Torque wrench Avid Hand held Hydraulic Hose Cutter Avid Bleed Kit or Avid Professional Bleed Kit Sharp pick DOT compatible grease Clean lint free rag Isopropyl alcohol NOTICE BRAKE FLUID DOT fluids will damage painted surfaces If any fluid comes in contact with a painted surface e g your frame wipe it off immediately and clean with isopropyl alcohol Used DOT fluid must be recycled or disposed of in accordance to local and federal regulations Never pour used DOT fluid down a sewage or drainage system or into the ground or body of water Hose Shortening Procedure Hose shortening must be performed at the caliper end of the hose Remove the Hose from the Caliper 1 Disc Brake Only Pull the boot away from the caliper to access the compression nut 2 Use an 8 mm flare nut wrench to remove the compression nut 3 Pull the hose from the caliper DOT fluid will drip from the hose Try to spill as little fluid as possible Any fluid that is lost from the hose will create bubbles that will need to be removed during the brake bleed Do not engage the brake
4. TALLATION Hunters ee ee vada 9 HOSE INSTALLA TONAT THE CALIPER ensure 10 BLEED THE BRAKES esse nee ale Eee 10 BLEED GUIDE nn een 11 PROCEDURE OVERVIEW Eee hah dee 11 FS A E T 11 PREPARE FHES sata ae ein 12 PREPARE THE CALIPER ae Ei 15 PREPARE THE 14 BLEED THES 2 ein 15 A IN TAT IN nen 18 BEST THE SYSTEM na nen 19 MAINTENANCE 2 E E EE E E 19 SAFETY INSTRUCTIONS Brakes are a Safety critical component of a bicycle Improper installation or use of brakes can result in loss of control of the bicycle which can lead to a crash that can cause severe injury and or death Follow the instructions in the user manual for proper installation Hydraulic brakes offer increased stopping power over rim brakes and take less effort to lock up a wheel when braking Wheel lockup may cause you to lose control and lead to injury Practice braking techniques on a flat level surface prior to aggressive riding Braking effectiveness is dependent on many conditions over which SRAM has no control including bicycle speed braking force condition of the bike weight of the rider weather terrain and a variety of other factors Always ride under control It takes longer to stop in wet condit
5. d on the plunger or you will suck air past the plunger seal into the fluid and create more bubbles that you will have to eliminate Once the large bubbles at the lever have stopped apply a small amount of pressure on the syringe plunger Remove the syringe and reinstall the lever bleed port screw Use a clean rag to wipe off any excess DOT fluid that spills out as you reinstall the bleed port screw IE SYSTEM 17 BLEED 1 Wheel Installation 1 Spray isopropyl alcohol onto a clean rag and wipe off the brake lever and caliper to remove any excess DOT fluid you may have missed before Remove the Bleed Block from the caliper Reinstall the brake pads pad spreader spring e clip and brake pad retainer bolt Use a 2 5 mm hex wrench to tighten the pad retainer bolt to 0 6 0 9 N m 5 8 in Ib Reinstall your wheel according to the manufacturer s instructions For Rim Calipers Reinstall the brake pads Use a 4 mm hex wrench to tighten the pad retainer bolts to 5 7 44 62 in Ib Turn the rim caliper quick release lever to the open position Rotate the barrel adjuster counter clockwise to open Install your wheel according to the manufacturer s instructions Turn the rim caliper quick release lever to the closed position Empty the syringes into a sealed container and dispose of the fluid properly Remember used DOT fluid should be recycled or disposed of in accordance to local and federal regulations Never po
6. des and the bottom so that they can rise to the top of the fluid When the bubbles stop forming and have all risen to the top release the plunger open the clamp and carefully push the air out Repeat several times You will not be able to remove al the bubbles Prepare the Caliper Disc Caliper 1 Remove the wheel from your bike according to the manufacturer s instructions 2 Remove the e clip from the brake pad retainer bolt Use a 2 5 mm hex wrench to remove the brake pad retainer bolt from the caliper Remove the brake pads and pad spreader spring from the caliper 3 Insert the appropriate Bleed Block This will help prevent system overfill and keep DOT fluid from contaminating your brake pads Rim Caliper 1 Rotate the rim caliper quick release lever to the open position 2 Remove the wheel from your bike according to the manufacturer s instructions 3 Rotate the rim caliper quick release lever to the closed position 4 Turn the barrel adjuster clockwise until it stops 5 Use a 4 mm hex wrench to remove the brake pad retainer bolts Remove the brake pads Disc and Rim Caliper 1 Use a T10 TORX wrench to remove the caliper bleed port screw from the caliper body or banjo bolt 2 Make sure the fluid in the 1 2 full syringe is pushed all the way to the tip no air gap then thread it into the caliper bleed port Disc Brake Caliper Rim Brake Caliper TIo_ Prepare the Lever 1 Pull the lever h
7. ions To reduce the possibility of a crash avoid locking up your wheels SRAM hydraulic brakes are designed as a system Do not use brake components from a manufacturer other than SRAM or Avid Use only DOT 4 or DOT 5 1 fluids with SRAM hydraulic brakes Do not use any other fluid it will damage the system and make the brakes unsafe to use Do not allow any brake fluid to contact the brake pads If this occurs the pads are contaminated and must be replaced Do not allow any brake fluid to contact the braking surface If this occurs clean the braking surface with isopropyl alcohol Do not touch the braking surface with your bare hands The oils from your fingers will degrade braking performance Always wear gloves or handle the rotor or rim by the spokes Do not touch disc brake rotors or calipers immediately after use they become very hot during use and could cause burns Allow them to cool prior to making any adjustments Disc Brakes Only Do not use radially spooked wheels The SRAM road hydraulic brake system is not intended for use on any motorized bicycle or vehicle Such use could result in serious personal injury Hydraulic Drop Bar Lever Hood Cover _ Bleed Port Screw Disc Brake Caliper Rim Brake Caliper Boot Hose Compression Nut Compression Nut as Compression Fitting Compression Fitting Hose Barb Hose Barb Barrel Adjuster Banjo Quick Release Bleed Port Screw Brake
8. irect 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 user manual The SRAM user manuals can be found online at sram com rockshox com avidbike com truvativ com or zipp com This warranty does not apply to damage to the product caused by 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 2 This warranty does not apply when the product has been modified including but not limited to any attempt to open or repair any electronic and electronic related components including the motor controller battery packs wiring harnesses switches and chargers 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 Stripped threads bolts Cinner and outer e Pawls Bushings aluminium titanium e Handlebar grips Transmission gears e Air sealing o rings magne
9. ood cover back to expose the bleed port 2 Use a 1 TORX wrench to remove the lever bleed port screw 3 Make sure the fluid in the 1 4 full syringe is pushed all the way to the tip no air gap then thread it into the lever bleed port It is not necessary to reposition the angle of the brake lever on the handlebar You may have a small amount of DOT fluid drip from the bleed port screw this is normal Use a clean rag to immediately wipe off any excess fluid Bleed the System Fill the hose 1 Hold both syringes upright 2 Gently push on the caliper syringe plunger to move fluid from the caliper syringe into the lever syringe until the lever syringe is increased to 1 2 full and the caliper syringe is decreased to 1 4 full You should see air bubbles fill the lever syringe 3 Close the clamp on the lever syringe 4 the brake lever all the way to the bar with your finger and hold it there until instructed to release the lever in a later step If you don t want to hold the lever with your finger have a friend hold it or you can use a toe strap or rubber bands Disc Brake Caliper Rim Brake Caliper Drop Bar Lever g GI gt a RL ANS NS D THE SYSTEM 15 Bleed the Caliper 1 Pull out on the caliper syringe plunger to create a vacuum then gently push in on the caliper syringe plunger to pressurize the system Repeat this procedure several times un
10. s necessary to bleed the brakes for optimal performance See the next section B eed Guide for instructions Bleed Guide When bleeding SRAM brakes keep in mind you are simply forcing bubbles out of the system Procedure Overview You will perform 3 basic operations when bleeding SRAM brakes 1 Fill the hose 2 Bleed the caliper 3 Bleed the lever Flush When bleeding bakes you may notice discoloration of the old fluid as it exits the system into the syringe at the lever If the fluid is severely discolored this indicates that the fluid is old In this case bleeding the system twice in order to completely remove the old fluid is recommended Following this procedure gives you a perfectly bled optimally performing brake Enjoy Prepare the Syringes 1 Fill one syringe 1 2 full of Avid High Performance DOT Fluid and fill the other syringe 1 4 full Hold each syringe with the tip pointed up and tap the side of the syringe with your finger to bring any air bubbles to the top Place a clean rag around the tip and slowly push the air bubbles out of the syringe De gas the fluid in the 1 2 full syringe Removing as many of the gas bubbles as you can from the fluid now before pushing them into the system will make for a better bleed Close the syringe clamp and pull on the plunger Bubbles will appear to form and enlarge While the plunger is still pulled down lightly tap the syringe to release the bubbles sticking to the si
11. sium or steel e Shifter grips e Spokes e Glide rings Brake sleeves Jockey wheels e Free hubs e Rubber moving parts Brake pads e Disc brake rotors Aero bar pads Foam rings e Chains Wheel braking surfaces Corrosion e Rear shock mounting e Sprockets Bottom out pads Tools hardware and main seals Cassettes Bearings Motors Upper tubes stanchions Shifter and brake cables Bearing races e Batteries Notwithstanding anything else set forth herein the battery pack and charger warranty does not include damage from power surges use of improper charger improper maintenance or such other misuse 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 TABLE OF CONTENTS ANATOM YV sicssictiatastessncGaucsteianctaatienpasreatascemieaccusuans wasn sunesusneacausdwauanenneecestasncateadentaanees 6 INTRODUCTION nee een elle 7 PARTSANDITODOE ea EA ee 7 HOSE SHORTENING 8 REMOVE THE HOSE PRO Mr TRE nu ee 8 HOSEIRQUTINSANDLENGSTH Es u ee teenies laces 9 COMPRESSION NUT INS
12. 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 For Australian customers This SRAM limited warranty is provided in Australia by SRAM LLC 133 North Kingsbury 4th floor Chicago Illinois 60642 USA To make a warranty claim please contact the retailer from whom you purchased this SRAM product Alternatively you may make a claim by contacting SRAM Australia 6 Marco Court Rowville 3178 Australia For valid claims SRAM will at its option either repair or replace your SRAM product Any expenses incurred in making the warranty claim are your responsibility The benefits given by this warranty are additional to other rights and remedies that you may have under laws relating to our products Our goods come with guarantees that cannot be excluded under the Australian Consumer Law You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure LIMITATIONS OF LIABILITY To the extent allowed by local law except for the obligations specifically set forth in this warranty statement in no event shall SRAM or its third party suppliers be liable for d
13. til large bubbles stop coming out of the caliper Do not pull out too hard on the plunger or you will suck air past the plunger seal into the fluid and create more bubbles that you will have to eliminate Once the large bubbles at the caliper have stopped apply a small amount of pressure on the caliper syringe plunger and slowly let the pressure extend the brake lever you have been holding with your finger If you fastened the lever with a toe strap or rubber bands remove these first but keep the lever pulled in with your finger then apply pressure on the syringe plunger You will feel the pressure at your finger on the lever just let the fluid extend the lever back to its original position Close the clamp on the caliper syringe then remove the syringe from the caliper and reinstall the caliper bleed port screw Use a clean rag to wipe off any excess DOT fluid that spills out as you reinstall the bleed port screw Disc Brake Caliper Rim Brake Caliper BLEED THE SYSTEM Bleed the Lever 2 Open the clamp on the lever syringe Pull out on the lever syringe plunger to create a vacuum then gently push in the plunger to pressurize the system Squeeze and release the brake lever ten times allowing the lever to snap back to its starting position after squeezing this helps break loose the bubbles Repeat this procedure several times until large bubbles stop coming out of the lever Do not pull out too har
14. ur DOT fluid down a sewage or drainage system or into the ground or a body of water Do not reuse this fluid Do not leave the syringe hose clamps closed this will damage the clear tubing on the syringes Test the System You are almost ready to ride but first its a good idea to test your brakes Pull on the lever as hard as you can imagine yourself pulling the lever while you re riding Make sure and look around the hose nut on the lever and the banjo bolt on the caliper for any leaks Make one last check of all the bolts and fittings Maintenance To maintain optimal braking performance bleed hydraulic brakes at least once every 6 months Inspect brake pads for wear every month For Disc Brakes Replace disc brake pads when the pad thickness is 2 5 mm or less Change the rotor when the rotor thickness is less than 1 55 mm or when changing braking material For Rim Brakes Use only the brake pad material recommended by your wheel manufacturer Replace your brake pads when the grooves on your brake pads disappear ORAIN www sram com
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