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  1. #1
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    newbie needs advice

    Hi

    I just got a Kilo TT frame from BD. I had a question about the front tire: it's is liable to hit my feet when making a sharp turn (and if the one foot is forward in the pedal stroke).

    Is this a just a /feature/ of normal track geometry? My old schwinn fixie conversion didn't do this. It's a bit disorienting, but should not be dangerous (except at high speed).

    Or perhaps the bike's too small for me? Don't think so, it's 53cm and I'm 5'9" (my LBS said 53 was too big for me).

    thx,
    NB

  2. #2
    Senior Member
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    Quote Originally Posted by nunb View Post
    Hi

    I just got a Kilo TT frame from BD. I had a question about the front tire: it's is liable to hit my feet when making a sharp turn (and if the one foot is forward in the pedal stroke).

    Is this a just a /feature/ of normal track geometry?
    thx,
    NB
    Not quite. It's not a feature but rather an unavoidable side effect of certain desirable features. Here's an explanation of why many frames have it.

    http://davesbikeblog.blogspot.com/20...o-problem.html

    It isn't a dangwer at high speed because you can't turn that sharply when going fast. It will only happen when going pretty slow---basically during u turns and that kind of thing. Just learn to live with it; to reduce the chances of it happening, learn to time very sharp, slow speed turns with your pedal rotations, and point your toes up or down.
    Last edited by mander; 08-04-07 at 01:17 PM.

  3. #3
    jerk store mathletics's Avatar
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    It's very easy to get used to. My first conversion had some overlap, and I have especially large feet, so of course I have large toe cages as well. I still use that bike with a set of fenders, meaning I have another inch or so less of clearance and have no trouble.

  4. #4
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    Thanks for the link -- more bike reading! Yeah at normal speed it's not a problem. And the bike feels 'tighter' than the schinn-fixie conversion I used to own, so I'm happy with the geometry. cheers..

  5. #5
    lifewaster. helloamerican's Avatar
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    its what you suffer for sweet geometry. keirin ftw.

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