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  1. #1
    mtbr member
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    So..Whats in a number

    just put a tape to my my wheels after a few beers....
    my "26" mtb are right around 23 inches diameter
    my 700c road bike about 25.25
    Are all the 29ers really on 25
    just throwing it out for discussion

  2. #2
    Formerly of Kent
    Reputation: Le Duke's Avatar
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    I'm guessing you didn't do that with TIRES on them.

  3. #3
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    yeah, just some rims, we were just chatting about the pros and cons. My mtb with 2.4 trail kings measured 27.25 So i was busting on my buddy how I already have a 650b bike.
    again this was beer induced garage talk as we are getting rained out here in New Hampshire.
    Having my coffee now and going to work on a new trail
    Was really just wondering if anyone knew where the numbers came from

  4. #4
    Formerly of Kent
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    With "nominal" sized tires, a 29er wheel with 2.0" tires measures right around 29". A "road" rim with 23-25mm road tires measures 27". A 26er wheel with 2.0 tires measures right around 26".

  5. #5
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    So..Whats in a number

    And 27.5 was a convenient number to describe 650b, an old french touring rim size.
    Riding slowly since 1977.

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