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  • 29er size
  • mattsccm
    Free Member

    Can some one tell me the total diameter of a 29er tyre on a rim? Say 2.1 or 2.3.
    Got a project in mind.

    Posted 13 years ago
    mboy
    Free Member

    622mm is the Outside diameter of the rim.

    A 2.1" tyre will be approximately 53mm tall, or thereabouts.

    so use 622 + 53 + 53 = 728mm

    You count the tyre height twice by the way.

    Posted 13 years ago
    binners
    Full Member

    Outside diameter? 3 inches too big, surely? 😀

    Posted 13 years ago
    mboy
    Free Member

    Outside diameter? 3 inches too big, surely?

    2.5 inches actually, but now we're just being pedantic! 😉

    Posted 13 years ago
    mavisto
    Free Member

    Just put a tape measure across my wheels. Came in at about 740mm. Funily enough that about 29".

    Posted 13 years ago
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