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Old 11-12-12, 06:01 PM
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FastJake
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+1 The chain doesn't physically stretch, but gets longer as the inner parts wear out. In any system without a derailer (fixed gear, single speed, IGH) there shouldn't be any actual tension in the chain but rather it should spin as smoothly as it would if it were slack. Then take out as much slack as possible without actually making it tight. I'm probably not describing this very well but hopefully that makes sense.

Originally Posted by Andrew R Stewart View Post
This is just one of the reasons that a bike should be returned to the LBS for a tune up after a few hunderd miles.
I would change that to: This is just one of the reasons it's nice to know how to work on your own stuff when adjustments and problems arise.
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