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Got another piece of PVC pipe and got it over the breaker bar and finaly got that thing off...almost flew into my chest. New problem though. The original sprocket had two rubber rings on either side of it...as seen in the first picture. The new sprocket didn't have any. Is this the O ring for our chain? I looked at the sprocket DIY and I have the same front sprocket as he does and his doesnt have a rubber ring either. Is it fine just to put it on like this?
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