• SRAM gxp bottom bracket. I fitted it (with preload washer) some Praxis 1x cranks in a 68mm bottom bracket shell. The cranks had some knocking type movement so I refitted the bb with one spacer (thinking the cranks might be some MTB size.
    The cranks don’t spin completely freely.
    What’s right?

  • If the cranks were mtb size they’d be wider not narrower so should spin more freely

    What’s the crank model? I’m not sure gxp bbs work with all praxis cranks

  • The bb spacer is too wide? Is it your 2.5mm ht2 type? Maybe try and get a thinner, metal shim washer?

    As for torque, horse it up, the bolt on gxp style cranks isn't preloading the bearing, it's just holding the arm on so don't be shy.

  • I feel like I could be wrong here but Sram gxp BB? I've always thought that Praxis Cranks need Praxis BB.

    The linked above says these are the compatible ones: Praxis Works M24 - BSA / BB86 / BB30/PF3

    Ignore if you've thought of this.

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