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  1. #1
    mtbr member
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    Nov 2015
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    1

    replace bottom bracket

    Hi everyone,

    I just purchased a deore crankset and bottom bracket. I was wondering if it would be necessary to replace my old bottom bracket with the new one when I swap out the crank? As far as I can tell there is nothing wrong with the current bb.

    Thanks

  2. #2
    mtbr member
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    Join Date
    Aug 2008
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    4,926
    If it spins smooth, then keep it. If it's gritty, replace it.

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