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  1. #1
    Junior Member
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    Help identify this bike

    Hoping someone can help me identify a bike. It is either a city commuter or a mountain bike. The unique characteristic is that the top tube is vertically flat. I have seen one go by while I was driving. I also saw celebrity cyclist David Byrne on one. I realize that more than one manufacturer may offer this style. What is the benefit of a veritically flat top tube?

    Thanks for any answers.

  2. #2
    POWERCRANK addict markhr's Avatar
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    I believe Byrne was riding/rides the Hummer branded version of the montague folding MTB.

    http://www.montagueco.com/

    shameless POWERCRANK plug
    Recommended reading for all cyclists - Cyclecraft - Effective Cycling
    Condor Cycles - quite possibly the best bike shop in London
    Don't run red lights, wear a helmet, use hand signals, get some cycle lights(front and rear) and, FFS, don't run red lights!

  3. #3
    Senior Member coldfeet's Avatar
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    What an odd co-incidence, I saw one of those for the first time last week.

  4. #4
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    Quote Originally Posted by scubasteve View Post

    What is the benefit of a veritically flat top tube?

    It gives the tube a lot of stiffness in the vertical direction. Notice that that frame member is the only thing giving the bike stiffness in that direction.

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