Adjusting The Rockshox Coil Spring With An External Preload Adjuster - Bosch ZEMO SU-E FS 12 Translation Of Original Operating Instructions

6.5.13.4 Adjusting the RockShox coil spring with an external preload adjuster

Only applies to pedelecs with this equipment
1 Turn the preload adjustment ring anti-
clockwise until it locks into position
anticlockwise.
 The lowest, i.e. softest spring preload is set.
1
Figure 149: Screwing (1) and unscrewing (2) the preload
adjustment ring
2 Put on normal cycling clothing. Ask someone
to hold the pedelec.
3 Stand on the pedals. Allow the damper to
deflect three times. Sit or stand on the pedelec
in a normal riding position.
4 Ask your helper to push the O-ring downwards
until it reaches the top of the dust wiper seal.
Figure 150: Moving the O-ring on the suspension fork
5 Get off the pedelec without allowing it to
deflect.
MY22Z0a - 12_1.0_25.07.2022
6 Note distance between dust wiper and the
2
Figure 151: Sag (1)
Table 43: Recommended sag
Figure 152: Mandatory sag range (green) and prohibited
sag range (red)
7 If the desired sag is not achieved, the preload
8 The coil spring must be replaced if the desired
O-ring. This distance is the sag.
1
Setting
Prohibited
High sensitivity
Low sensitivity
Prohibited
adjustment ring must be unscrewed bit by bit.
sag cannot be achieved by twisting the preload
adjustment ring. Contact specialist dealer.
Operation
Sag
>30%
20...30%
10...20%
< 10
135