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  1. #1
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    GXP BBs: road or MTB

    Quick question, are GXP BBs the same for road (SRAM Red etc) and MTB (Truvativ Noir etc)?

  2. #2
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    Reputation: Jake Pay's Avatar
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    Yes, the GXP BB's are for Truvativ/Sram road and mountain cranks...

  3. #3
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    Aren't there 2 spacers to be used with a mountain bike, which you would need if you bought a GXP BB for road use?
    www.mtbiker.ca

    My Rides:
    FSR XC -R7 Platinum - SRAM X7 (26.5lbs)
    Cervelo SLC - SRAM Rival - Reynolds DV46T (16.25 lbs)

  4. #4
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    Quote Originally Posted by bbgobie
    Aren't there 2 spacers to be used with a mountain bike, which you would need if you bought a GXP BB for road use?
    The two spacers are for setting up on a 68mm BB shell and without the spacers for a 73mm shell.

  5. #5
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    For road cranks you shouldn't use any spacers (they have a shorter spindle than mountain cranks). Took me a while to figure that out

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