Quote:
Originally Posted by RaceBikeRentals
Here's a little trick:
As many have found, the chain will tighten when you tighten the axle nut. To keep this from happening, insert a shop rag (folded into 1/4 or 1/8) between the chain and the lower portion of the sprocket. Rotate the rear tire forward to pinch the rag between the chain and sprocket. While holding tension on the tire, tighten your axle nut. This will keep the chain from tightening. I use this trick every time I do a chain adjustment.
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okay... but why does this work?