Bicycle Small 320×225 Medium 640×449 Large 1024×719 Download Tiff Original 2400×1684 | (732.4 KB) Description The bicycle, bike, or cycle is a pedal-driven, human-powered vehicle with two wheels attached to a frame, one behind the other. Keywords Bicycle, bike, cycle Galleries Human-Powered Transportation Source: Encyclopaedia Britannica (11th ed., vol. 7) (New York, NY: The Encyclopaedia Britannica Company, 1910)
