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  • what size bb?
  • big-chief-96
    Free Member

    what size bb do I need for a 20" Norco Charger?

    Or how do I measure it?

    Cheers

    z1ppy
    Full Member

    obviously the BB shell width defines whether you need a 68 or 73mm BB but the the axle length is specific to the crankset your using.

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