Motor Bicycle Small 320×176 Medium 640×351 Large 1024×562 Download Tiff Original 2400×1317 | (605.3 KB) Description A motorcycle (bike, motor bicycle, cycle or motorbike) is a single-track, two-wheeled motor vehicle powered by an engine. Keywords motor bicycle, motorbike, motorcycle Galleries Human-Powered Transportation Source: Encyclopaedia Britannica (11th ed., vol. 3) (New York, NY: The Encyclopaedia Britannica Company, 1910)
