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  1. #1
    Senior Member bluenote157's Avatar
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    what bb is compatible with ultegra fc-6500 cranks

    What length should I look for? Or rather.. what specific ones will work. 105, ultegra, etc??

  2. #2
    A little North of Hell
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    Octalink

    Double chainring=109.5mm

    105 BB-5500
    Ultegra BB-6500
    Dura-Ace BB-7700 BB-7703
    [SIGPIC][/SIGPIC]
    XXXI

  3. #3
    Elitist Troglodyte DMF's Avatar
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    Stay clear of the BB-7700. It is not a sealed unit and requires maintenance and adjustment.

    Triple chainring = 118.5mm.
    Stupidity got us into this mess - why can't it get us out?

    - Will Rogers

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