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  1. #1
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    Apr 2006
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    Compatibility Shimano Compact crank w/ dura Ace BB

    Does anybody know if the New Shimano Compact crank 50/34 is compatible with the Dura Ace BB?

    I think it says it works with the Ultegra BB but I have a Dura Ace BB on my bike and would like to install the new Shimano Compact crank 50/34 .

    Thank you

  2. #2
    Senior Member
    Join Date
    Aug 2005
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    Pittsburgh, PA
    My Bikes
    '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
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    I'm pretty sure it's compatible with the both the Dura Ace and Ultegra external bearing bottom brackets. I know these two bb's can be used interchangably with their regular cranks so either should work with the compact crank.

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