Model year 2014 USER MANUAL
Contents
1. compromise between comfort chassis support and grip If the rider prefers a softer feeling or a harder feeling he may change the position toward the open or closed positions S and H without affecting the tuning of the fork Modification of the intermediate click position 4 2 1 Move the lever to the intermediate click location 2 Undo the top cap screw gt 3 Undo the retaining screw set screw 4 Adjust the M position setting using a 5mm wrench or using the lever 5 Redo the retaining screw completely 6 Replace the lever and redo the top cap screw Important After putting the lever back together verify that the lever does not touch the fork crown before it reaches the fully closed position Starting point adjustments Deville AM Rebound Recreational use 18 clicks Racing use 16 clicks Compression 3 positions Soft comfort Intermediate hydraulic and grip control adjustable intensity refer to the user manual Hard pedaling efficiency 3 Maintenance 3 1 Service It is absolutely necessary to clean your fork immediately after every ride Nothing is worse for your seals than dried mud The cleaning instructions are very simple clean off your stanchions with a soft clean rag Use fork oil or light silicone grease to lubricate the seals WARNING DO NOT use corrosive products such as degreasers on your forks these will damage the seals If you wash your forks with a p2. pressure 45 psi Maximum air pressure 120 psi Important Balancing the air chamber pressure It is important to balance the positive and negative chambers to ensure optimum operation of the fork every time you adjust the pressure Proceed as follows After adjusting the pressure cycle the fork slowly 3 4 times on the first inch of travel Thus the air pressure is distributed equally between the chambers and your fork is ready to roll 2 2 Hydraulic adjustments The Deville AM offers suspension adjustments in rebound through a knob and in compression through a lever Rebound adjustment is done by rotating the red knob that can be found at the bottom of the right fork leg The number of clicks is counted from the fully closed position while unscrewing the knob Harder tighten close Softer untighten open Compression adjustment is done by the position of the red lever at the top of the right fork leg This lever has three positions The total possible lever movement is 180 however the start position may be offset by an angle of about 20 from vertical as shown in Figure 1 Figure 1 Pedaling position H Figure 2 Intermediate position M Figure 3 Comfort position S Cam The three positions are identified as S soft M medium and H hard The two extremes S and H are reached at the fully open and fully closed positions of the lever The M position is the click when moving between
3. avel Where can get the original stickers or valve cap Those items are available on the online store at bosmtb com Or contact our sales department for informations commercial bosmtb com The fork comes with a slightly play on stanchions area what should I do The unique alignment of the bushings of the BOS forks creates an induced a slight frontal play If the play is abnormally high please contact BOS approved center for expertise The fork retracts when deflate the air chamber what s happening Deflating the fork means removing the air from the positive chamber only The remaining air on the negative air chamber creates an opposite force to the main spring and retracts the fork To avoid this deflate step by step 30 40 psi and alternate with a very slow oscillations 5 or 6 on the first 15 mm of stroke to recover the full travel The fork feeling in the M position doesn t feel right for me If the initial position of the M setting does not give you the feeling that you are looking for you can modify the position of the click refer to paragraph 2 2 in hydraulic adjustments
4. cturers e Products whose serial numbers has been altered defaced or removed Warranty procedure The owner should always refer to an approved BOS center for any warranty claim A proof a purchase is compulsory for any warranty claim Otherwise the warranty claim will not be considered Always contact BOS MTB warranty department before returning any products that may fall under this warranty If the faulty parts do not fall under warranty the customer will be charged for any costs in respect with warranty such as transport and package back and forth Settings amp Maintenance 1 Assembly Fitting your Deville AM onto your bike requires care and attention For your safety please follow these instructions 1 1 The steerer tube Before cutting the steerer tube first take some measurements height of the headset length of the headtube of the frame height of the stem and then add 5 to 10mm Calculate the length as below Add the length of the headtube of the frame to the height of the headset and to the height of the stem plus to 5 to 10mm Caution Never attempt to remove or replace the steerer or upper tubes independently from the crown Modifying the integrated crown steerer or upper tubes can cause an assembly failure resulting in a loss of control of the bicycle and serious injury 1 2 Installing the front wheel 20mm or 15mm axle To assemble the front wheel follow this procedure 1 Open the quick release
5. eC Co OIA SUSPENSION 1 Model year 2014 USER MANUAL WARRANTY Terms and conditions BOS MTB offers warranty on its products on the following terms BOS MTB guarantees to the original purchaser that the BOS product for which they received this warranty is free from defects in material and workmanship for one year from the date of original retail purchase A proof a purchase will be asked for any warranty claim This warranty is not transferable to a subsequent purchaser Wear and tear parts such as dust seals Oring bushings rear shock mouting hardwares stanchions threaded parts and bolts are not covered under this warranty Terms This warranty is subject to legal jurisdictional or warranty rights of the country where it has been originally purchased which will prevail if different from the terms herein listed Limits BOS MTB cannot be liable for any loss inconvenience damages whether direct incidental consequential resulting from the use of its products local legislation prevailing Warranty exclusions This warranty does not cover the following cases e Damage to products resulting from improper assembly other than listed below e Products that have been modified by the owner or a third party e Improper use e Damages resulting from an accident crash under any circumstances e Invalid servicing procedures and servicing time frame not respected e Replacement of the original parts by parts from others manufa
6. ied disc brake hose guide 4 Tighten the disc brake hose guide screw M3 x 12 with a 2 5 mm hex key wrench and torque it to 1 N m 5 Test the brakes for proper operation on level ground before hitting the trails The disc brake caliper mounting bolts must have 10 mm of thread engagement with the fork In any case the disc brake caliper mounting bolt tightening torque level must never exceed 10 N m 2 Settings 2 1 Air Spring The sag measurement is the amount that your fork rear shock or both will compress when you are positioned for riding on your bike with all your riding apparel and gear Adjusting air pressure until you achieve your target sag will help you to determine the appropriate amount of air pressure for your fork or shock or both To achieve the best performance from your BOS suspension product the proper measuring and setting of sag is vital As a starting point set sag for your fork or rear shock according to the following instructions Recreational use Weight Kg Ibs 55 120 60 132 65 143 70 154 75 165 80 176 85 187 95 210 105 132 110 242 Racing use Weight Kg Ibs 55 120 60 132 65 143 70 154 75 165 80 176 85 187 95 210 105 132 110 242 The Deville AM has an o ring on the fork upper tube in order to measure the SAG position You can experiment and vary your sag percentage to better suit your riding style and overall feel Caution tw Air Valve Cap Air Valve Minimum air
7. on right side of the fork 1 2 Open the folding lever 2 3 Unscrew the axle and remove it 3 4 Install the wheel 5 Insert the axle and screw it completely Fold the lever Close the quick release 1 N a To disassemble the wheel proceed in the opposite way Important The torque of the QR screw A is originally set between 4 and 4 5N m It may be useful to check it regularly 1 3 Mounting the 15mm axle adapter sleeve The transition from the 20mm to the 15mm axle requires the mounting of an adapter sleeve on the left leg To assemble the adapter proceed as follows 1 Hand tighten the 15mm adapter 1 2 Tighten up to the torque 12N m 3 Refer to section 1 2 for the 15mm axle wheel mounting 1 1 4 Disk brake installation The Deville disc bolt pattern uses caliper mount for post mount 160 PM160 To assemble the disc brakes follow this procedure 1 Install the DH disc brake system according to disc brake manufacturer s specifications 2 Be sure to torque all fasteners and bolts to manufacturer s recommendations Consult the instructions that came with your disc brakes for proper installation procedures It is recommended to install a NEW disc brake pads to ensure proper alignment and to minimize drag 3 Route the disc brake hose for hydraulic disc brakes or brake cable housing for mechanical disc brakes from the caliper to the inside of the lower leg and through the suppl
8. ressure washer never orient the stream toward the seals as it can push dust and grime into the fork The Deville AM uses a closed damper and so the oil changes must be done at a BOS MTB service center This oil change is done at the same time as the full fork rebuild To ensure the best performance of the stanchions oil Bi oil is added to the bottoms of the fork lowers Amount per leg 10ml po leaning Purgedair Oilservice Full service After each ride Every 10 rides Every two years After each ride Every 5 rides Caution The oil service and full service must be performed by a BOS approved center The BOS approved centers are the only able to identify and appraise a damaged or worn part especially in case of shock or wear on structural elements such as the legs the stanchions and the crowns What initial settings for the fork The Deville Chart list is available on the download section of the bosmtb com website The Deville Chart list summarizes the recommended settings clicks and air pressure depending on the body weight Refer also to chapter 2 of this manual for details My fork is leaking when I connect the high pressure pump what can I do Check with a Schrader valve tool if it is screwed correctly At rest position the fork travel is slightly engaged small SAG is this normal The BOS air spring system is designed to offer the lowest threshold of release Some forks may come with a slightly negative tr
9. the S and H position for fast and intuitive adjustment on the fly The advantage of BOS s adjustments is that they are not based on a single rate curve i e for low speed only The BOS adjustments are done based on both the low speed and high speed rate curves Therefore by opting for one of the three positions the rider is not only changing the low speed compression performance of the fork but actually changing the LS and HS curve completely You can see in the graph below that the relationship between LS and HS is not constant The curve s change is precisely defined to achieve the desired performance Thus a single lever controls all 3 of the settings on the 3 way adjustable Deville rebound low speed and high speed compression The S position is for comfort The H position is used for pedaling efficiency The H position considerably stiffens the fork in an effort to limit suspension oscillations during pedaling but without locking out the fork completely Thus BOS remains faithful to the principle of keeping an active fork even in its restrained state This allows for the suspension to move over unexpected bumps which is a simple matter of security The M position maintains hydraulic control and grip The M position in the middle is set at a precise position at the factory However the final user maintains the possibility of adjusting the firmness between the S and H poles In effect M is the base position that offers the best
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