Bicycle Mechanics - new crank, old chain
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i just installed a new crank on my bike. I know that it's a good aidea to change the chain anytime you change the cassette.
How important is this when changing the crank?
05-01-06, 02:36 PM
Totally depends. I would start by checking your chain with a tool and seeing how worn it is, and inspecting your cassette as well. If either one is fried, there you go. Otherwise, have a look at how the chain sits on the chainring. Especially on a big 52 or whatever, you can really see if it's worn and the pins don't want to sit in the center of the notches between the teeth.
05-01-06, 02:39 PM
Chains are cheap.
Why not just replace it?
05-01-06, 02:42 PM
Chains are cheap, but a new chain and really old cassette often run worse than stuff that has worn together, and he may not want to replace both right now.
05-01-06, 07:58 PM
Chainrings, unless very badly worn and the teeth are obviously hooked, are pretty tolerant of chain condition. I've put brand new chains on chainring sets with 25,000+ miles on them and they run and shift just fine. Casettes are another matter altogether.
05-11-06, 10:25 AM
i would just change the chain just to be on the safe side pal.
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