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 WRR Rebound knob

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rustydog




PostSubject: WRR Rebound knob   Wed Oct 14, 2015 1:48 pm

Greetings group. Noob WRR owner.
Can someone explain to me how the rebound knob is controlling the shock? I am not seeing how the knob down on the bottom of the shaft is interacting with any valving of the shock.
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TwoBuells

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PostSubject: Re: WRR Rebound knob   Wed Oct 14, 2015 2:34 pm

firm, clockwise, slower to extend after a bump

soft, counter clockwise, quicker to extend after a bump


the knob is connected thru the shaft and changes the size of oil hole (valve) on the rebound stroke


Last edited by TwoBuells on Wed Oct 14, 2015 2:41 pm; edited 1 time in total
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rustydog




PostSubject: Re: WRR Rebound knob   Wed Oct 14, 2015 2:39 pm

Thanks TwoBuells.
I understand what rebound dampening does. But I am not seeing how it works. I could understand if the Rebound was up somewhere near the Compression dampening adjustment. But the Rebound is on what I am considering just the dead end of the shock shaft.
Yes I am new to motorcycle suspension.
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TwoBuells

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PostSubject: Re: WRR Rebound knob   Wed Oct 14, 2015 2:45 pm

I've been into my shock a few times and did install a Race Tech Gold Valve and changed my shims many times till I got it right.

there is a good "sticky" in the suspension section on shock rebuilding with some cool pics
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TwoBuells

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PostSubject: Re: WRR Rebound knob   Wed Oct 14, 2015 2:50 pm

the rebound would have to control the oil flow near the shim stack and that is at the top of the shock near the compression adj also.

I think the knob connected to a rod inside the shaft that controls a opening near or in the shim stack
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Biglake




PostSubject: Re: WRR Rebound knob   Wed Oct 14, 2015 3:40 pm

The rod the shim stack sits on is hollow with holes in it under the shim stack and oil flows through it when the shock is rebounding and some goes through while its compressing. Rebound dampening is two part what the shims control and how much oil flows through the bypass in the shaft, the rebound adjuster closes off the oil flow through the shaft controlling how much oil bypasses the shim stack.

This is why you cant run that adjuster less than 3 turns from seated as oil wont flow through the shaft binding up the shock and why the compression gets stiffer when you crank the rebound in.

I hope I splained this clear nuff.thumb
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TwoBuells

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PostSubject: Re: WRR Rebound knob   Wed Oct 14, 2015 4:54 pm

Biglake wrote:
The rod the shim stack sits on is hollow with holes in it under the shim stack and oil flows through it when the shock is rebounding and some goes through while its compressing. Rebound dampening is two part what the shims control and how much oil flows through the bypass in the shaft, the rebound adjuster closes off the oil flow through the shaft controlling how much oil bypasses the shim stack.

This is why you cant run that adjuster less than 3 turns from seated as oil wont flow through the shaft binding up the shock and why the compression gets stiffer when you crank the rebound in.

I hope I splained this clear nuff.thumb  
bow


nice thumb
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