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Submission + - The Aerodynamics of Bicycle Racing

Ponca City, We Love You writes: "Nick Frey, the reigning national time-trial bicycle champion, is a mechanical and aerospace engineering major at Princeton who puts his knowledge to work in modifications to his racing bike. Once a bicycle is moving fast enough, nearly all the cyclist's strength goes into pushing aside air. Reducing that resistance by a relatively small amount can result in major increases in speed with minimal increased effort so one of Frey's innovations is enclosing his brake cables in a special housing shaped like an airplane wing that shields them from the wind, reducing the resistance on his bike. "It's like free speed," says Frey. "And in cycling, every second counts." Other improvements include the helmet he purchased to match his riding posture and the silicon gel between his wheel rims and tires that subtly changes the shape of his tires, making them more aerodynamic. Frey subjects his own performance to rigorous analysis and posts his training and performance results, along with details about various races, on his blog."

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