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  • MT8000 BB spacers question
  • Premier Icon carlos
    Free Member

    Just fitting a Shimano MT8000 BB to a V3 Bronson. Does anyone know how many spacers go on which side? There are no instructions as such in the box.

    I’ve gone with 1 on the DS as gap between the crank arm and rear triangle was less than the NDS. I’m thinking it might need 2 to equal it out more.

    Last BB was an uberbike GPX with 1 on the NDS

    Ta

    Premier Icon mariner
    Free Member

    Depends on shell width.
    See https://si.shimano.com/api/publish/storage/pdf/en/dm/FC0002/DM-FC0002-13-ENG.pdf
    Page 11 on.

    Premier Icon carlos
    Free Member

    Thanks but it’s a Raceface crankset. Does the same apply?

    Premier Icon spoonmeister
    Full Member

    Yep, the same with a RF crankset.
    68mm shell width: 2x spacers DS, 1x spacer NDS.
    73mm shell: 1x spacer DS, 0x spacers NDS.

    If you’re not sure on the shell width you can use a normal ruler – as long as 0 is lined up properly you can tell which side of the 7cm mark it is.

    Premier Icon carlos
    Free Member

    Cheers both.

    It’s a 73mm BB shell so 1x on DS and none on the NDS

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