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  1. #1
    coffee bean grinder grinderbob's Avatar
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    can I use dura ace 7400 crank arm with 7410 crank rings?

    7410 crankset has a lower profile and requires a 103mm BB. 7400 crankset is 112mm. Wondering if
    I can use a 7400 crankarm and reuse the crank rings from the 7410 crankset. thanks.

  2. #2
    Senior Member erader's Avatar
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    the short answer is yes. they are both 8-speed cranks, which you can also use on a 9-speed drivetrain with or without 9-speed rings.

    ed rader

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