A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A b
The most popular bicycle model—and most popular vehicle of any kind in the world—is the Chinese Flying Pigeon, with about 500 million produced.
1886 Swift Safety Bicycle
Women on bicycles on unpaved road, US, late 19th century
A penny-farthing or ordinary bicycle in the Škoda Auto museum in the Czech Republic
Cycling, also known as bicycling or biking, is the activity of riding a bicycle or other types of pedal-driven human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles. Cyc
European city bike
Children riding a bike in Ghana
Cyclist's bicycle emergency kit with spare inner tube and tyre levers strapped together, plus mini pump, patch kit, compass, and CO₂ inflator with cylinders.
Children competition on side wheels in the eighties in Czechoslovakia