How do gears work on bikes? How much impact does wind resistance have on your riding? How efficient is cycling compared to other forms of transporation?
The Exploratorium examines these and the history of many aspects of cycling in their series on sports science resources. They discuss the wheel, gearing, frames, materials, braking, steering, aerodynamics, and human power with text, audio and video, and interactive features in "The Science of Cycling." Fritz says, "Check it out."
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