I was told that cyclocross bikes are not only sturdier, but that they have a wider wheel base and less "agressive" geometry than a regular road bike, which apparently means that a heavy rider isn't sitting right on top of the rear axle, stressing out the spokes (again, this is just what I was told). I would confirm that my cyclocross bike (a Specialized Tri cross sport) is indeed the sturdiest bike I've had so far. I've put in 1500 miles so far without any broken spokes (or wheels) or drivetrain problems. I'm considerably heavier than you are, so this was a problem with my first two bikes. I'd also point out that the brakes are beefier and much more effective and the wider wheels do give any rider more options as far as riding surfaces go. Also, the gearing runs to the low range, which is important for getting those extra pounds over hills comfortably. Much as I love this bike, I do have to report that it just isn't as zippy as the regular road bike, however. As the others have said, You're not *that* heavy. Just get yourself a bike that fits you and that thrills you when you ride it!




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