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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. Bicycles were introduced in the 19th century in Europe.
Cycling. European city bike. Children riding a bike in Ghana. Cycling, [1] also known as bicycling[2] or biking, [3] is the activity of riding a bicycle or other type of cycle. It encompasses the use of human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles.
History of the bicycle. 1886 Swift Safety Bicycle. Vehicles that have two wheels and require balancing by the rider date back to the early 19th century. The first means of transport making use of two wheels arranged consecutively, and thus the archetype of the bicycle, was the German draisine dating back to 1817.
An electric bicycle, e-bike, electrically assisted pedal cycle, or electrically power assisted cycle[1] is a motorized bicycle with an integrated electric motor used to assist propulsion. [2][3][4][5][6] Many kinds of e-bikes are available worldwide, but they generally fall into two broad categories: bikes that assist the rider's pedal-power (i ...
A lugged steel bicycle has a frame made of steel. An aluminium bicycle has a frame made of aluminium alloys. A plastic bicycle was an attempt in the early 1980s to introduce a bicycle made entirely out of plastic materials instead of metal. A wooden bicycle has a frame made out of wood.
The modern and most common frame design for an upright bicycle is based on the safety bicycle, and consists of two triangles: a main triangle and a paired rear triangle. This is known as the diamond frame. [1] Frames are required to be strong, stiff and light, which they do by combining different materials and shapes.
Velocipede. Velocipedes from an 1887 German encyclopedia. Among the examples shown are a penny farthing and a boneshaker. A velocipede (/ vəˈlɒsəpiːd /) is a human-powered land vehicle with one or more wheels. The most common type of velocipede today is the bicycle.
A touring bicycle with flat bars and 660 mm (26 in) wheels. A touring bicycle is a bicycle designed or modified to handle bicycle touring.To make the bikes sufficiently robust, comfortable and capable of carrying heavy loads, special features may include a long wheelbase (for ride comfort and to avoid pedal-to-luggage conflicts), frame materials that favor flexibility over rigidity (for ride ...