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When do you change the cassette?

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coffeebreak:
I would like to know how do folks here know when to change the cassette? My chain is skipping on 6/7th cogs and I am wondering if its time to change?

jannmayer:
By skipping, you mean that the chain is lifting of off the teeth? As opposed to trying to shift up/down on it's own?


If so, then it might be time to change the cassette. I've had skipping cogs after replacing a really worn chain with a new one.

00Garza:
Not super scientific, but I go by tooth profile and overall performance. Compare what the teeth look like vs what they're supposed to look like. If there's a major difference, it might be time to change. Or if indexing is getting nearly impossible, its probably time to change it as well.

Note that chains and cassette will wear together, so sometimes its necessary to change both at the same time.

jonathanf2:
If they start looking like puppy fangs as opposed to human teeth, then it's probably time for a cassette change!

coffeebreak:
Hahaha hadn't thought of it this way. The "fangs" for now definitely look like human teeth. I did a full re-indexing yesterday and problem has minimized (at least on big chain ring) though on small chain ring I did skip cogs a couple of times. I need to do one more careful assessment if one of the teeth is bent.

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