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  1. #1
    Junior Member
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    new crank, old chain

    Hello,

    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?

    Thank you,

    Pacho

  2. #2
    THIS SPACE FOR RENT
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    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.

  3. #3
    Listen to me powers2b's Avatar
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    Chains are cheap.
    Why not just replace it?

    Enjoy

  4. #4
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    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.

  5. #5
    Senior Member
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    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.

  6. #6
    cyclist forever robthebiker's Avatar
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    i would just change the chain just to be on the safe side pal.
    robthebiker

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