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Thanks for the great response. I have to admit, I think you look cramped on the Geometron, but that is probably from years of road riding and being so used to a more traditional type of setup.
I only skimmed the article I posted and missed the part about computer simulation - good pick up on that. l still have a hard time believing that 100% of road and XC racers have it wrong. I think the studies may be thrown off by using inexperienced riders. I don't think traditional geometry is better for beginners. Most novice/intermediate riders (and mountain bikers) mainly power their bike through a forceful push down. Road riders who spend 1000's of hours developing a smooth cycling motion and are able to spin at 100rpm without any body bounce initiate their power earlier, when the crank is directly upright. The more relaxed geometry allows them to drop their heel and get behind the pedal driving it first through the top of the pedal cycle and then down the main push downwards. A steep STA robs you of the ability to drive from behind the pedal. Unless you had experienced cyclists in your study, you would never see a difference as novice/intermediate riders don't spin and don't initiate their pedal force as early. Also, a traditional racing geometry requires more flexibility in the back and hamstrings. A true racing bike is slow for a novice athlete because it is so uncomfortable. Their legs hit their belly and their back is rounded and pelvis tilted backwards because they are straining to reach the bars.
If you say that a steep sta is better for less-flexible untrained road cyclists, I would wholeheartedly agree. But I don't think Lance would be better off on a steep STA, I'm sure he tried it (he has tried everything else!).
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