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  1. #1
    Mtb Extraordinaire
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    What Q factor for a Scalpel 29 ???

    I'm trying to figure out what Q factor will work on a Scalpel 29. It came with XO which are 167.5 Q. I am trying to pick up a set of XX cranks but they are 156Q and I want to make sure they will fit the bike. Anyone know with certainty ???

  2. #2
    mtbr member
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    Jun 2009
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    I'm quite sure they won't.

  3. #3
    mtbr member
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    Oct 2009
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    You definitely need the Q168's.
    My LBS installed the Q156's and they were too thin.The non driveside crankarm was 1/16" from hitting my chainstay. I have the alloy version so I am not positive about the Carbon version, but I just got it back yesterday with the 168's on there and they work great...Too bad I need to sell the bike already (wifes's car took a crap)
    2011 C-Dale Flash 1 650b
    2013 Scott Genius 930

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