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  1. #1
    mtbr member
    Join Date
    Apr 2013

    Ordering xx1 for 2012 superfly 100 pro

    What bottom bracket do I order, I know it uses bb95 press fit bearings is there different spindal sizes or caps ect.... Gxp, bb30 pf30 bb92 are the options, I know it comes with the 168q factor but the 156q will work with about 1/8 less room per sides on the chain stay. Any info would be good thanks!

  2. #2
    mtbr member
    Join Date
    Jul 2005
    If you have the complete bike, you already have the GXP BB in the frame - order the GXP spindle crank. If you just have the frame, order the BB Trek Madone SRAM Kit - Trek Part #404700. I have also heard you should stick with the 166 Q-factor crank on the full suspension Superfly - that's what came on the bike. The narrower crank might work on the stand, but I have heard that it can rub in use.

  3. #3
    mtbr member
    Join Date
    Mar 2007
    Make sure your rear wheel is compatible with the XD Driver Body.

  4. #4
    mtbr member
    Join Date
    Jun 2011
    I got these GXP CHROMIUM STEEL BEARING KITS FOR TREK BB90 AND BB95 for my XX1 system a year ago and they have worked great. I have had much better luck with the Enduro bearings than the Sram kit. The site has a lot of other options but the 18.00 bearings work great.

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