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Old 10-07-08, 05:29 PM   #1
scubasteve
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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.
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Old 10-07-08, 05:42 PM   #2
markhr
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I believe Byrne was riding/rides the Hummer branded version of the montague folding MTB.

http://www.montagueco.com/

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Old 10-07-08, 10:12 PM   #3
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What an odd co-incidence, I saw one of those for the first time last week.
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Old 10-07-08, 10:29 PM   #4
Mike Mills
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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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