Cush Drives

Corso1

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What sort of life did you get from your cush drives? Any particular time frame when one should start contemplating replacement?

Thanks-
 
I was i the 20K range. when it falls off when removing wheel is the best time
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20-22,000 very easy km.s for me as well.

In hind sight, that was probably too long.

To check simply slacken the chain. Grip the sprocket and attempt to twist, radially.
I had about 1/4 " of movement when I noticed it, and replaced the rubbers immediately.

I replaced mine with the OEM rubbers because the urethane aftermarket ones have a tendancy to transfer vibrations from the wheel through the rest of the bike.
Don't forget , they're there to absorb torque. (The Weak Link, So To Speak).
If that cushion is replaced with a less absorbant one, the energy generated is transferred to the chain, wheel bearings, output shaft bearings, transmission, etc, possibly contributing to pre-mature wear.
IMO, unless your trying to cut quarter mile times, or get a better drive out of the final turn before the finish line,...
...the stock rubbers are the way for a street ridden bike to go.
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