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26 votes
6 answers
76k views

How to tell when to replace cassette?

How do you tell when it's time to replace a cassette? Are there any specific wear patterns on the teeth to watch for or symptoms specific to a worn-out cassette?
Nate Koppenhaver's user avatar
14 votes
1 answer
1k views

Do I need to change my cassette if I can't see any wear?

I bought a new road bike with Campag Athena 11 speed in March last year. To the end of Jan it had covered 9000km. In all that time I hadn't changed the chain because I don't have the Campag tool, and ...
Duncan McGregor's user avatar
1 vote
2 answers
244 views

Rear Cassette worn + needs replacing - what other components to replace?

I have picked up a bike (Specialized Allez) recently that has a very worn cassette from not replacing the chain for an extended period of time. Therefore am looking to change it. I was wondering what ...
kicks66's user avatar
  • 11
7 votes
2 answers
2k views

Help with cassette, worn or not?

I have done exactly 2879 km on my cassette, and currently I got myself a new chain which is a third for this cassette. With first chain I made 1985km, but I already noticed a significant degradation ...
user8409's user avatar
  • 123
3 votes
1 answer
241 views

If chain/ BB/ casette are dead can chainrings and derailleurs still be OK?

I bought a brand new bike last May (2015 Brodie Elan) and proceeded to put 11,000km on it by November (cross Canada ride plus some commuting). Around the 11,000km mark I brought it back to the shop ...
SSilk's user avatar
  • 4,249
3 votes
3 answers
275 views

How long can I safely use a chain for?

My chain is well over the 0.75% extension at which I would normally replace it. However, the cassette and chainrings are also old enough that a new chain would slip on them, so they would also need ...
Will Vousden's user avatar
  • 4,021
1 vote
3 answers
870 views

I just replaced my cassette, do I need replace the 2 month old chain?

I replaced both my cassette and chain in July (2.5 months ago). For some reason my chain started skipping when I was in the smallest cog in back. I took it to a shop, they could not find anything ...
allroadCole's user avatar