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road bike sizing question: long torso, short legs

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road bike sizing question: long torso, short legs

Old 04-27-10, 07:18 PM
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road bike sizing question: long torso, short legs

I have an extremely long torso compared to my legs. All the sizing charts I see tell me I should be riding a 55 or 56 cm bike (if they even cover my measurements....6 feet even and 31 inch inseam). However to get the seat at an adequate height on such a small frame has my all kinds of bent over, even when gripping the tops. Plus the top tube is way too short, so my head is awkwardly forward past the bars when in the drops. Anyone else have this problem?
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Old 04-27-10, 07:47 PM
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I'd be interested in the answers. My son's measurements are similar to yours, and I need to buy him a new bike.
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Old 04-27-10, 08:05 PM
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I'm a lot short but the same set up my solution was to down a frame size but they didn't have anything small so I went with a 90mm stem and a short reach handle bar and that got me in the ball park. The other problem was the seat tube angle was such that even with the seat all the way forward my knee is still totally behind the petal. I haven't fixed that yet but I'm getting a zero offset post for it.
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Old 04-27-10, 08:30 PM
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I'm also long in the torso, 6'2" with a 34" cycling inseam (33" for clothing). I bought a felt z90, which is their "relaxed" geometry series. I'm not sure, but I think the Specialized Roubaix has a similar relaxed geometry. It's 58cm and I put a 140 mm stem on it. It fits well, and I am very comfortable in the drops. I also bought a Surly Long Haul Trucker (60cm), which seems to have a relatively long top tube for a given seat tube length. It fits well with the stock stem.

I suggest you use one of the on-line fit calculators (like Wrench Science), and pay more attention to the effective top tube length/overall reach measurements than anything else. Or, if you have the bucks and a good place to do it, get a fitting done.
Oh, and once you get the bike, keep tweaking it until you get it right. Best of luck.
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