Stiffer fork springs, revalve rebound

hey guys!

Regarding stiffer springs, especially in a fork, when do I have to revalve rebound shimstack? 2 Steps stiffer then original springrate or what rule of thump do you pick for that?

e.g. we pick that rebound stack of a yz125 2005 Kayaba TCV fork:

6 - 21.1

16.1 s*

20.1

18.1*

16.1*

14.1*

12.15*

11.2 b*

What should I do to adapt the stack to the stiffer springs?

Thanks!

flo

This is one question i have been wondering too, but my first attempt would be 1 more face shim for maybe every 4 rates. Curious to see what others will say..

on the 05 i seem to remember them having too much rebound, so in your case std will be fine.

on the 05 i seem to remember them having too much rebound, so in your case std will be fine.

Thanks for your answer, but the stack of my bike was just an example.

I would like to know how you would change it in general, as far as we can talk "in general".

ah I see , well lots of forks like the showas only come with one or 2 face shims , so one extra would be plenty basically if you have a decent setup one face shim for a small change in spring rate , if a big change 2 face shims unless like the Showa is very light I would consider 3

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