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  1. #1
    RoadBikeReview Member
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    BB30 Adapter - Are Spacers Essential if Cranks Fit Snug?

    I'm building up a 2014 Orbea Orca frame which has a BB30 bottom bracket. I am installing new Shimano Ultegra R8000 cranks and have inserted the Wheels Manufacturing adapters which fit fine into the BB30 to reduce it to the Shimano 24mm crank. The BB width is 68mm.

    I cannot find any information on whether I absolutely need to insert spacers on either the chainwheel side or the left, either for alignment or for smooth operation. I have the cranks inserted and there is no side to side play at all, and they rotate very smoothly. I have not gotten the chain on nor have I set up the front derailleur yet.

    So my basic question is: do I need spacers at all if the cranks seem to be working great?

    I appreciate your help, particularly if you have experience with these components.

  2. #2
    'brifter' is a lame word.
    Reputation: cxwrench's Avatar
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    Quote Originally Posted by bespoke View Post

    So my basic question is: do I need spacers at all if the cranks seem to be working great?
    Nope.
    I work for some bike racers
    I've got some bikes, some guns,
    and a bunch of skateboards

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