the.com/cycling
the most efficient form of locomotion ever evolved or engineered, powered entirely by sandwiches
efficiency kingMore efficient than walking, swimming, or any animal
calorie mathA cyclist burns gasoline-equivalent at 3,000 miles per gallon
freedom machineBikes helped fuel early women's suffrage movements
speed recordHumans have pedaled past 183 miles per hour
gear countA chain can outlast the bike it powers