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  1. #1
    mtbr member
    Reputation: consumerbydesign's Avatar
    Join Date
    Jan 2005
    Posts
    913

    04stumpy 113mm or 118mm BB? FSA Carbon

    Just bought the FSA team carbon cranks,$200 on e-bay. Looking at american classic BBs with replaceable bearings, $80, Alfred E. bikes.com.

    Is chainline 50mm? not 47.5 mm. on the 04 stumpy?
    This new can of worms is making me think XTR, but FSA,Am.classic is under 800 grams and I don`t mind turning a wrench.
    Replacing an xt m752. I need durable stuff for gnarly terrain. Is this a good move?

    Back to my main question, what BB for this set up?

  2. #2
    HammerHead
    Reputation: Gevorg's Avatar
    Join Date
    Dec 2004
    Posts
    289
    I am not sure if design changed but my 05 Stumpjumper(M4 hardtail) has BB 118mm. I just replaced it. Original part was ShimanoBB-ES30, (118 mm, 68mm BC1.37x24), I replaced it with Shimano part BB-ES71 same dimensions, bought at LBS for $45, PerformanceBike is selling for $36.
    Very similar to this part with 68mm width at shimano website
    http://bike.shimano.com/media/cyclin...9830493957.pdf
    2012 Cannondale Flash Carbon 3 29er
    2013 Tarmac Sport
    2009 Langster Moscow
    "What is wrong?"
    "You need a new bike"

  3. #3
    Meh.
    Reputation: XSL_WiLL's Avatar
    Join Date
    Nov 2004
    Posts
    17,516
    It shouldn't matter. 113 mm will pull the chainline in a bit, 118 will push it out a bit. As long as there aren't any clearance problems, you're fine.

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