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  1. #1
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    Shimano BB and RF Cranks?

    Is a Shimano XT splined BB (couple of years old) compatible with Raceface Northshore DH cranks?

    Thanks in advance.

  2. #2
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    Quote Originally Posted by DH100
    Is a Shimano XT splined BB (couple of years old) compatible with Raceface Northshore DH cranks?

    Thanks in advance.
    Shimano uses octalink interface, RF cranks should be ISIS spline - so no they are different.

  3. #3
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    They are a similar concept but not even remotely compatile. Shimano uses octalink which as the name implies has 8 splines that are 10mm long per side. Race Face Uses Isis which has I think 10 splines per side and they are much deeper, about 15 or 20mm.

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