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  1. #1
    mtbr member
    Reputation: illini's Avatar
    Join Date
    Dec 2009
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    355

    Truvativ Firex GXP BB Help

    I have a set of Truvativ Firex Cranks with a GXP BB. The problem im having is when i slide on the drive side, it dosent go all the way on. There is about a 1/4 inch left.

    So when i install my MRP G2 on the iscg tabs i have to use one washer to move it out.

    Because the crank wont go all the way in like a shimano BB would, i have to shimm the chainring in towards the G2 to make it line up.

    If the crank would go all the way in every thing would line up with minimal shimming.


    1. Do i have the right BB

  2. #2
    :\ ping of death
    Reputation: phoeneous's Avatar
    Join Date
    Mar 2005
    Posts
    1,029
    Did you get this figured out? I'm having the same issue.
    What the hell is an aluminum falcon?

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