Suspension Tuning
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Joined: Nov 2016
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From: Michigan
Suspension Tuning
I got a suspension question for anyone who can answer it. I recently acquired a set of racetech G3S shocks (IFP) with rebound adjustment. Now Im a little new to suspension, and I understand setting sag and adjusting preload, but the rebound adjustment has thrown me off. Ive tried searching the internet, but it seems everyone has different answers or terms to describe it and is confusing me more. I understand its how fast or slow the shocks returns to normal after a bump, but can someone explain to me when I should slow or speed it up? Mind, I dont have the shocks yet, but just getting an idea of adjusting when I do get them.
Seasoned HDF Member
Joined: Oct 2014
Posts: 5,083
Likes: 2,390
From: Camp Lejeune, NC
I would set them right in the middle of the adjustment. Go out and ride. If its too stiff, go with a lighter setting. If its too soft, go with a stiffer setting. Youll find what you like eventually.
Stellar HDF Member
Joined: May 2007
Posts: 3,259
Likes: 523
From: USA
I'll bite 
If bumps are far apart you want slow rebound. Smooths transition so bike yaw is more invisible.
If bumps are near each other you want fast rebound. Help ensure full suspension travel is always available.
FWIW
This is for a street Harley?
Just set in the middle as suggested and adjust to what you think feels good for most roads you travel.
I highly doubt you make adjustments for each ride, depending on your destination.
Suspension is art (experience), science (graphs & measurements) and feel (rider preferences).
Oil weight and amount of nitrogen charge can make bigger difference than hi and low rebound compression adjustments.
Then there is spring rate and progression.
Seems you have a grasp of sag (static setup).
Again, just set in the middle as suggested and adjust to what you think feels good.
Have fun.
If bumps are far apart you want slow rebound. Smooths transition so bike yaw is more invisible.
If bumps are near each other you want fast rebound. Help ensure full suspension travel is always available.
FWIW
This is for a street Harley?
Just set in the middle as suggested and adjust to what you think feels good for most roads you travel.
I highly doubt you make adjustments for each ride, depending on your destination.
Suspension is art (experience), science (graphs & measurements) and feel (rider preferences).
Oil weight and amount of nitrogen charge can make bigger difference than hi and low rebound compression adjustments.
Then there is spring rate and progression.
Seems you have a grasp of sag (static setup).
Again, just set in the middle as suggested and adjust to what you think feels good.
Have fun.
Cruiser
Joined: Oct 2017
Posts: 212
Likes: 39
From: SoCal
Tuning your suspension is a balance of several factors, first, your weight and the bike's weight, second the road surface that you ride on, and third how aggressive you ride, these 3 factors will determine how much force your suspension will have to manage.
If your rebound is set too soft your bike will encounter several bumps that further compress the suspension without enough time for it to reset. For your rear rebound it may feel like its squatting then bottoming out. If rebound is too stiff it'll feel like a bucking Broncos, the rear will come up real quick after a bump.
If your rebound is set too soft your bike will encounter several bumps that further compress the suspension without enough time for it to reset. For your rear rebound it may feel like its squatting then bottoming out. If rebound is too stiff it'll feel like a bucking Broncos, the rear will come up real quick after a bump.
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Joined: Dec 2014
Posts: 21,413
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Tuning your suspension is a balance of several factors, first, your weight and the bike's weight, second the road surface that you ride on, and third how aggressive you ride, these 3 factors will determine how much force your suspension will have to manage.
If your rebound is set too soft your bike will encounter several bumps that further compress the suspension without enough time for it to reset. For your rear rebound it may feel like its squatting then bottoming out. If rebound is too stiff it'll feel like a bucking Broncos, the rear will come up real quick after a bump.
If your rebound is set too soft your bike will encounter several bumps that further compress the suspension without enough time for it to reset. For your rear rebound it may feel like its squatting then bottoming out. If rebound is too stiff it'll feel like a bucking Broncos, the rear will come up real quick after a bump.
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