The Pleasure of Cycling Explained

Science of Cycling. ‘Why do road bikes have thin tires, while mountain bikes have fat tires? What is a gear ratio? And how do gears help make the bicycle so efficient? What are the best materials for frames? What are the best designs? How do you stop and steer a bicycle? What forces keep the bicycle from falling over? How does drafting help a cyclist? What is skin friction? Why is the bicycle the most efficient way to travel? How do your muscles work?’

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