Bos VIP'R 2.1 2014 Manual startup User Manual
Bos For motorcycles

We thank you and congratulate you for choosing BOS product, designed and developed 
by enthusiasts and handmade with care in France.
Please refer to the user manual available in the download section at bosmtb.com. It 
contains the important safety, maintenance, and warranty information you need in order 
to safely install and use your BOS suspension as well as the detailed set-up, tuning, and 
service information.
Air pressure
The air pressure depend of the body weight and of the frame kinematic. Refer to the 
«Kirk chart list» available in the downlad area at bosmtb.com for details.
length x stroke (mm)
190x51
200x52
200x56
216x64
SAG (%)
25
30
25
30
25
30
25
30
SAG (mm)
12,5
15
13
15,5
17
19
16
19
Air chambers balance
Balance the pressure of the air chambers in each pressure adjustment to ensure 
optimum performance. To do this, squeeze and slowly release your fork on the first 10 
mm of travel a dozen times.
Starting point adjustments from the fully tighten position
Rebound (a): 15 clicks
The compression lever (b) offers two 
positions : «hard» et «soft».
«soft»: for normal riding conditions. The 
suspension is 100% efficient.
«hard»: t
he shock becomes stiffer on
all the travel.
a
b
