Rob English Graeme Obree bike-feature
  • lefthandside

    Wow.

    • Shirleylgrasty4

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    • James Huang

      Sure, I’ll ask Rob. Sounds like he won’t race it until racing starts in May but surely he’ll test ride it well beforehand.

  • MadBlack

    So what’s the weight? It looks solid!

    • singlespeedscott

      Why does it matter?

      • Winky

        Doesn’t matter much for track TT bike. Just the initial acceleration is affected. But I’d imagine that skinny tube would have to be really solid or the thing’s just a noodle. There’s a real reason (not just UCI rules) why 99% of bikes are truss-like structures.

      • MadBlack

        I’m fully aware that it doesn’t matter on the track but I’m an engineer and like to know out of interest.

        • James Huang

          Sorry, I can’t recall the exact figure but it was around 8.5kg.

  • Winky

    How does an all-carbon chainring work? The lifespan must just be a few km?

    And what is that pinchy bolt at the top of the forks?

    • Probably about 1000km on the chainring as it’s not subjected to shifts and has a large amount of teeth to take the load. That fork is pure English- upside down. The steerer is attached to the “stem,” the headset gets snugged up from the bottom and the fork has the bolt to pinch the steerer.

      • Winky

        Thanks. The fork doesn’t make much sense to me, with the join right at the point of greatest stress and bending moment, but I’d have to see a drawing to really understand what might be going on.

        • Todd!

          It is probably never likely to be more than a show special… He did a TT bike a few years ago full of fanciful ideas that didn’t make sense, but looked cool. That is what is important for NAHBS.

          English frame geometry always look way out of whack to me. Massive head tubes with short top tubes and raked back seat posts.

    • Sean

      They work the same as aluminum or steel chainrings (connected to cranks, has teeth, chain wrapps around it and rotates when rider pedals), the carbon chainrings just won’t last as long.

      • Winky

        You’re too funny.

  • Avuncular

    Where are the washing machine parts?

    • Tonyawtower2

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  • Lance Bumstrong

    Great article ! Very unfortunate name for a Graeme Obree copy ! I do know it’s the builders name..but ! B-) Och aye the NOO !

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