Riding with a worn out chain will destroy expensive cassettes and chainrings. In this video I demonstrate how to identify when a chain needs to be replaced, as well as what parts of the chain wear out. Also some examples of worn chain rings and cassettes.

Replacing a chain at regular intervals will prolong the life of cassettes and chainrings. Using a badly worn chain for too long will prematurely wear cassettes and chainrings and cause a new chain to slip or skip under load.

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