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  • 73mm bb & middleburn crank axle length question
  • Andy
    Full Member

    Morning

    Anyone advise please on the correct square taper bottom bracket axle length for middleburn cranks in a 73mm bb shell.

    Have always used 113mm on a 68mm bb shell, but on a 73mm the crank is hitting the bearing cups on a UN54.

    Obviously I need to go upto 118 or 122mm axle length but just wondering which is best?

    cheers

    Posted 11 years ago
    Andy
    Full Member

    ignore me I’m a numpty already been answered here

    http://singletrackworld.com/forum/topic/karate-monkey-middleburn-uno-problem-build-up

    I’m off for a ride 🙄

    Posted 11 years ago
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