What does --4 mean in rebound setting , and
what does #4 mean in bump setting?
Thanks, JOhn R
What does --4 mean in rebound setting , and
what does #4 mean in bump setting?
Thanks, JOhn R
Johhny Reisert
I would say these are manufacture numbers that relate to specific valving curves. Sometimes their valving stack numbering system.
With these systems they can provide a new shock with something close to what may specify for valving without actual shock dyno testing.
Brian
What shock brand are you referring to?
For example, on a Penske damper, -4 on rebound would be 4 clicks from the full stiff setting. Imagine full stiff on the adjuster is "0" (turned all the way in, righty tighty applies here). Then, as you loosen the adjuster (counter clockwise), you are counting the number of clicks from the full stiff setting.
So, a -4 would be a relatively stiff setting, and -16 would be a much softer rebound setting for example.
Will Velkoff
Van Diemen RF00 / Honda FF
And, if there aren't clicks (like Penske rebound), then it's usually 'flats' of the hex adjuster from stiff. 6 'flats' is one full turn. Also called 'sweeps' when inserting a little pin through a window in the shock eye to turn the adjuster.
Penske 8100
Johhny Reisert
Generally, negative values refer to clicks or flats from full stiff, and positive numbers refer to clicks for flats from full soft. The #4 nomenclature would be for your Penske canister which has numbers on the knob positions, turn until that number is by the dot on the canister top.
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