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9 votes
5 answers
2k views

I failed to replace my chain at the proper interval. Will I have to replace my whole drivetrain?

My bicycle is a 2012 Specialized Secteur. It has 6000 miles (10000 km), and I have never replaced the chain. I recently began noticing that the chain always seems out of alignment with the rear ...
Carlo David's user avatar
5 votes
2 answers
916 views

Do I need to replace my chain ring and cassette? Images attached

I know I should replace them if they "look like shark teeth", but I don't know what exactly what shark teeth look like. I know they don't exactly look new, but do they need to be replaced ...
Matt H's user avatar
  • 51
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
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
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