MotoGP God
Posts: 18,274
Join Date: Apr 2002
Location: Oxford
Mood: Its ONLY a Bike Club
I've not seen many issues with the cush drives in the rear sprocket apart from on one occasion when it was very noticeable how much the sprocket moved when the bike was placed in gear.
If the sprocket isn't moving about and there is no signs of damage I would use them
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