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  1. #1
    Join Date
    Nov 2005
    Posts
    98
    I've had many many bikes over the years (almost 30 now? ) with varying degrees of toe overlap. I've learned it's not a binary thing: you have it or you don't. Instead I see it as a gradient: a little toe overlap, a little more, or a lot?

    If my toe just brushes the tire at the closest point, and overlaps, say, a quarter inch or so, it's usually no big deal and I have few problems.

    On the other hand if I have a good inch or more overlap, then it's harder to live with. I had a bike like that and the difference isn't only in the overlap distance - it's also in the arc length (of my pedal stroke) during which interference is possible: it's a longer arc when there's more overlap. So I found interference during a bigger portion of my pedal stroke; my shoe spends more time in the "overlap zone" each pedal stroke. This means I spend more time overlapped and potentially unable to correct my steering.

    Nevertheless I never crashed on that bike; it was just more annoying (and occasionally scary!).

    Naturally there are in-between bikes too.

    '09 Trek 7.3 FX hybrid / Jett 155mm
    '09 Cervelo P3 TT / looking
    '11 Cervelo S3 road / Selle Royal Seta 155mm
    Ischial tuberosities: 140mm center to center

  2. #2
    Join Date
    Oct 2010
    Posts
    95
    Quote Originally Posted by dianne_1234 View Post
    I've had many many bikes over the years (almost 30 now? ) with varying degrees of toe overlap. I've learned it's not a binary thing: you have it or you don't. Instead I see it as a gradient: a little toe overlap, a little more, or a lot?

    If my toe just brushes the tire at the closest point, and overlaps, say, a quarter inch or so, it's usually no big deal and I have few problems.

    On the other hand if I have a good inch or more overlap, then it's harder to live with. I had a bike like that and the difference isn't only in the overlap distance - it's also in the arc length (of my pedal stroke) during which interference is possible: it's a longer arc when there's more overlap. So I found interference during a bigger portion of my pedal stroke; my shoe spends more time in the "overlap zone" each pedal stroke. This means I spend more time overlapped and potentially unable to correct my steering.

    Nevertheless I never crashed on that bike; it was just more annoying (and occasionally scary!).

    Naturally there are in-between bikes too.
    Dianne, you are right on...good points. And thanks for sharing your Ischial Tuberosity info.

 

 

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