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Old 03-16-2012, 12:27 PM
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george_n_texas george_n_texas is offline
Motorized Bicycle Elite Member
Join Date: Sep 2009
Location: Texas
Posts: 981
Default Re: Motorized Bicycle Take a Tip...Leave a Tip

Usually the sprocket not being centered on the rear axle is what causes wobble or stretch that throws the chain...that sprocket has to be centered perfectly and also has to be exactly perpendicular to the wobble side to side or back to front. Flip da bike upside-down and spin the wheel to see the side to side wobble. There should be the same gap if any around the center of the hub. One of the best things I did to solve this wobble problem is to only use one of the rag joints instead of two. I put it in the inner side of the spokes.
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