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  1. #1
    mtbr member
    Reputation: ecox's Avatar
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    Apr 2006
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    99

    What is Truvativ's Power Spline BB?

    Just got a Specialized Hardrock. It comes with a Truvativ Powerspline BB. Can I replace it with a standard ISIS BB? Like an FSA Ti? For now, I'm using the crankset the bike came with (Truvativ X_Flow); it'll be upgraded once I wear it out.

  2. #2
    banned
    Reputation: standard235's Avatar
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    Jul 2005
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    If you ride anything other than LIGHT XC, cranks won't last long. Powerspline cranks are not compatible with ISIS BB's and the other way around as well.



    Do yourself a favor and grab new cranks too because those ones suck. Turn, and run far away from them.

    EDIT: Or grab a pair of Shimano Saints for $175 at JensonUSA... just a thought.

  3. #3
    Are you talking to me?
    Reputation: damion's Avatar
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    Jun 2003
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    3,884

    Not happening.

    Those sranks are ONLY compatable with that type of bb. Start saving for a new crank and bb combo.

    Sorry.
    gfy

  4. #4
    banned
    Reputation: standard235's Avatar
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    Jul 2005
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    That's what I meant. I think he realized Octalink doesn't go with square taper.

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