the only adjustment available
on the rear shocks is spring
It has about 5 settings I believe.
It requires a tool to hook
into the lower part of the shock
under the spring and turn it to
different cam heights.
You may be able to buy one
at a bike shop or online.
Alternatively, you may be
able to make something that
would work. You turn the adjuster
until the spring is sitting on
a lower cam setting this lowers
the preload on the spring making
it softer. Number 1 is the softest
setting with number 5 being the
The adjusting tool looks like this:
Check in your tookit just in case one