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  • BB compatibility Q?
  • mcmoonter
    Free Member

    I have a Bontrager crankset, which I believe used a Truvative GXP bottom bracket. Can I replace this with a Shimano BB? Are they interchangeable?

    Posted 13 years ago
    wwaswas
    Full Member

    I think GXP is one of the ‘Not shimano’ ones 🙁

    Posted 13 years ago
    mcmoonter
    Free Member

    I think GXP is one of the ‘Not shimano’ ones

    Are mtb GXP and road GXP BBs interchangeable?

    Posted 13 years ago
    wwaswas
    Full Member

    I’m not sure – on shimano the road BB’s use narrower bearings to reduce ‘Q-Factor’ so you can’t just swap them over – might be true for Truvativ as well?

    Posted 13 years ago
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