Thread: Lifespan of chain rings, sprockets, etc. ...
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Old 03-30-19, 05:53 AM
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u235
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Strange how your big rear ring looks worn compared to the others. Is that an illusion or are you in that big ring a lot? 3k miles is chain area, not normally cassette.
Last edited by u235; 03-30-19 at 05:57 AM.
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