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  1. #1
    mtbr member
    Reputation: theMeat's Avatar
    Join Date
    Jan 2010
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    4,519

    How long should chain be?

    Hi,
    just got a new chain cause my old one was too short after I put on a new to me crankset. I went from a 42 tooth to a 46 tooth so I'm thinkin 4 more links should do it but my old chain came off another bike so. Is there a formular to go by.
    Thanx, Pete

  2. #2
    Former Bike Wrench
    Reputation: mtnbiker72's Avatar
    Join Date
    Jan 2007
    Posts
    15,985
    Quote Originally Posted by theMeat
    Hi,
    just got a new chain cause my old one was too short after I put on a new to me crankset. I went from a 42 tooth to a 46 tooth so I'm thinkin 4 more links should do it but my old chain came off another bike so. Is there a formular to go by.
    Thanx, Pete

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