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 bicycle rider is called a cyclist, or bicyclist.
Bicycle racks at the train station Steinhausen, side view with details of how the bike pedal fits the slot to hold the bike. © Wikimedia.org/Datendelphin, CC0
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