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We  thank  you  and  congratulate  you  for  choosing  BOS  products,  designed  and  developed  by 
enthusiasts, and handmade with care in France. 
Please refer to the user manual available in the download section at www.bosmtb.com. It contains 
the important safety, maintenance, and warranty information you will need in order to safely install 
and use your BOS suspension as well as detailed set-up, tuning, and service information.

 

Good knowledge of your BOS product will make its day to day usage more enjoyable. 

 

Air pressure 

Whatever your weight, the air pressure should be between 100 and 220 psi. 

Note : Given pressures are for guidance only. You can adjust it ± 10 psi according to your use and your riding stile

.

 

 

Weight (kg/lbs) 

60/132 

65/143 

70/154 

75/165 

80/176 

85/187 

90/198 

Recreational Use : 

Pressure (psi) 

120 

130 

140 

150 

160 

170 

180 

Racing Use : 

Pressure (psi) 

125 

135 

145 

155 

165 

175 

185 

 

Balancing air chambers 

It is important to balance the pressure of the air chambers after each pressure adjustment to ensure 
optimum performance. To do this, compress and slowly release your fork for the first 10 mm of travel 
a dozen times. 

 

Starting adjustments

: from the fully closed position

 

 

Rebound (A) : 

 

 

Recreational use : 10 clicks

 

Racing use : 8 clicks

 

 

Compression (B) :

 3 Positions

 

  

-­‐  Soft  

:  comfort  

 

-­‐  Intermediate  

:  hydraulic  and  grip  control

 

(Adjustable  intensity  :  refer  to  the  user    
manual).  

-­‐  Hard  

:  pedaling  efficiency  

 

 

 

                                                                      Quick

start

 

Handmade in France 

Hard 

 

Important  :  Refer  to  the  user  manual  
for   instructions   to   mount   the   axle.  
This  is  essential  for  your  security.

 

Содержание Dizzy

Страница 1: ...ding to your use and your riding stile Weight kg lbs 60 132 65 143 70 154 75 165 80 176 85 187 90 198 Recreational Use Pressure psi 120 130 140 150 160 170 180 Racing Use Pressure psi 125 135 145 155 165 175 185 Balancing air chambers It is important to balance the pressure of the air chambers after each pressure adjustment to ensure optimum performance To do this compress and slowly release your ...

Страница 2: ... Model year 2014 USER MANUAL ...

Страница 3: ...ial resulting from the use of its products local legislation prevailing Warranty exclusions This warranty does not cover the following cases ͻ ĂŵĂŐĞ ƚŽ ƉƌŽĚƵĐƚƐ ƌĞƐƵůƚŝŶŐ ĨƌŽŵ ŝŵƉƌŽƉĞƌ ĂƐƐĞŵďůLJ ŽƚŚĞƌ ƚŚĂŶ ůŝƐƚĞĚ below ͻ WƌŽĚƵĐƚƐ ƚŚĂƚ ŚĂǀĞ ďĞĞŶ ŵŽĚŝĨŝĞĚ ďLJ ƚŚĞ ŽǁŶĞƌ Žƌ Ă ƚŚŝƌĚ ƉĂƌƚLJ ͻ ŵƉƌŽƉĞƌ Ƶse ͻ ĂŵĂŐĞƐ ƌĞƐƵůƚŝŶŐ ĨƌŽŵ ĂŶ ĂĐĐŝĚĞŶƚ ĐƌĂƐŚ ƵŶĚĞƌ ĂŶLJ ĐŝƌĐƵŵƐƚĂŶĐĞƐ ͻ ŶǀĂůŝĚ ƐĞƌǀŝĐŝŶŐ ƉƌŽĐĞĚƵƌĞƐ ĂŶĚ ƐĞƌ...

Страница 4: ...n its proper position no further adjustment necessary If the lever is not in its optimal position note the angle A which must be applied to rotate the axle in position and continue to step 5 5 ʹ Undo the quick release lever and remove the axle 6 ʹ Undo and remove the socket head screw B 6 ʹ Turn the axle nut the angle observed in step 4 and retighten the socket head screw 7 ʹ Mount your wheel acco...

Страница 5: ...nufacturer s recommendations Consult the instructions that came with your disc brakes for proper installation procedures It is recommended to install 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 supplied disc ...

Страница 6: ...u some base values based on your weight Your specific pressure may vary based on your riding style and personal preference However do not stray too far from the indicated pressures or you may risk changing the performance of your fork Recreational use Weight Kg lbs 60 132 65 143 70 154 75 165 80 176 85 187 90 198 Air Pressure PSI 10 PSI 120 130 140 150 160 170 180 Racing use Weight Kg lbs 60 132 6...

Страница 7: ...hree 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 the S and H position for fast and intuitive adjustment on the fly dŚĞ ĂĚǀĂŶƚĂŐĞ ŽĨ K Ɛ ĂĚũƵƐƚŵĞŶƚƐ ŝƐ ƚŚĂƚ ƚŚĞLJ ĂƌĞ ŶŽƚ ďĂƐĞĚ ŽŶ Ă ƐŝŶŐůĞ ƌĂƚĞ ĐƵƌǀĞ ŝ Ğ ĨŽƌ ůŽǁ ƐƉĞĞĚ ŽŶůLJ dŚĞ K adjustments are don...

Страница 8: ...omise 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 1 Move the lever to the intermediate click location 2 Undo the top cap screw A 3 Undo the retaining screw set screw B 4 Adjust the M po...

Страница 9: ... 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 dŽ ĞŶƐƵƌĞ ƚŚĞ ďĞƐƚ ƉĞƌĨŽƌŵĂŶĐĞ ŽĨ ƚŚĞ ƐƚĂŶĐŚŝŽŶƐ Žŝů ŝ ŽŝůͿ ŝƐ ĂĚĚĞĚ ƚŽ ƚŚĞ ďŽƚƚŽŵƐ ŽĨ ƚŚĞ ĨŽƌŬ ůŽǁĞƌƐ ŵŽƵŶƚ ƉĞƌ ůĞŐ ϭ5ml Cleaning Oil service Full service Recreational use After each ride Once per year Every two years Racing use After each ride Twice per year Once per year 3...

Страница 10: ...tal play If the play is abnormally high please contact a BOS approved service center for expertise The fork retracts when I deflate the air chamber what s happening Deflating the fork means removing the air from the positive chamber only The remaining air in 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 ...

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