Sprockets Question About Sprocket

shadoewz

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Jul 19, 2011
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My husband is trying to put together my motorized bike. For some reason the back tire is wider than what is considered normal. In order to make allowances for this, my old man is telling me he has to turn the sprocket around.

The instructions clearly say (to me, anyway) that the concave side of the sprocket should be toward the spokes. If he turns it around the convex side will be toward the spokes and I think this will not work. He says it will.

Can anyone clarify this for us? Please and thank you.
 
He is right. The sprocket can be installed either way.

What ever way gives the best chain alignment.
 
yep, it can go on either way and you can install it concave side out to get clearance between the sprocket /chain and tire.
the main thing is to make sure that the chain is running in a perfectly straight line from the rear sprocket to the engine sprocket.
if the chain is running at an angle when looking from the rear sprocket to the front sprocket, the chain will pop off.
 
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