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Last Post 28 Apr 2014 6:33 AM by  kelolo
Bottom bracket
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Mk3cortina
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Posts:1


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28 Apr 2014 4:49 AM
    Hi just replacing the crankset on my reef carbon bike and I don't know how to measure the size of it
    I'm guessing it's 30 but not sure
    Regards simon
    kelolo
    New Member
    New Member
    Posts:23


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    28 Apr 2014 6:33 AM
    You mean the size of the bottom bracket?

    The BB shell is 73mm.

    If you are using internal bearing type, choose the ones that say 73mm.

    If you are using the external bearing type (Hollowtech II, GXP and the like), you'll have to mount the BB WITHOUT the spacer.

    Hope I answer your query correctly.


    - Kelolo -
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