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  1. #1
    Reputation: colker1's Avatar
    Join Date
    Jan 2004

    why do road frames (and Ritchey mtbs) have/had level top tubes?

    Road bikes need to be sized on head tube length. That length determines a window of handlebar height and saddle to handlebar drop adjustment. The horizontal top tube running from top of headtube leads to seat tube and determines length c-c. You chose frame size based on leg length and this determines head tube length. It's this number and not top tube length what was used by italian builders to chose size for the riders.
    All this is gone due to new headsets, stems etc.. it worked when quill stems ruled the earth.
    WTB: Bomber Z2 1 1/8 steerer, in good to excellent shape OR bomber rebuild kit.

  2. #2
    pvd is offline
    mtbr member
    Reputation: pvd's Avatar
    Join Date
    Jan 2006
    The entire premise here is flawed.

  3. #3
    mtbr member
    Reputation: Eric Malcolm's Avatar
    Join Date
    Dec 2011

    Answer the Question

    Quote Originally Posted by pvd View Post
    The entire premise here is flawed.
    It is usually better to actually give content to you answer and as we know you are an intellegent person, I would have thought a fair reply was the appropriate courtesy in this instance.

    How do you define 'premise' in this instance to help the OR understand your reply?

    If I don't make an attempt, how will I know if it will work?

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