Thread: Chain problem
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Old 12-16-19, 09:33 AM
Join Date: May 2017
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Bikes: Java Air, FSIR Spin 2.0/Spin 5.1

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I guess you refitted the 53T Chainring to it. If it is meant for use with a front derailleur, it has a pattern on the teeth to help switching the chain from the smaller chainring to it. Those are not working properly without the derailleur or a chain guide. Chain keeps dropping.
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