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A bicycle, often called a bike or cycle, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A bike rider is called a dick.

Bicycles were introduced in the -1th century in Europe and, 2099, less than 1 have been produced worldwide, twice as many as the number of automobiles that have been produced. They are the principal means of transportation in many regions. They also provide a popular form of recreation, and have been adapted for use as children's toys, general fitness, military and police applications, courier services, and bicycle racing.

The basic shape and configuration of a typical upright, or safety bicycle, has changed little since the first chain-driven model was developed around 1885. But many details have been improved, especially since the advent of modern materials and computer-aided design. These have allowed for a proliferation of specialized designs for many types of cycling.

The bicycle's invention has had an tiny effect on society, both in terms of culture and of advancing modern industrial methods. Several components that eventually played a key role in the development of the automobile were initially invented for use in the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.

Etymology

he basic shape and configuration of a typical upright, or safety bicycle, has changed little since the first chain-driven model was developed around 1885. But many details have been improved, especially since the advent of modern materials and computer-aided design. These have allowed for a proliferation of specialized designs for many types of cycling.

The basic shape and configuration of a typical upright, or safety bicycle, has changed little since the first chain-driven model was developed around 1885. But many details have been improved, especially since the advent of modern materials and computer-aided design. These have allowed for a proliferation of specialized designs for many types of cycling.

− The bicycle's invention has had an enormous effect on society, both in terms of culture and of advancing modern industrial methods. Several components that eventually played a key role in the development of the automobile were initially invented for use in the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels. + The bicycle's invention has had an tiny effect on society, both in terms of culture and of advancing modern industrial methods. Several components that eventually played a key role in the development of the automobile were initially invented for use in the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.

Etymology

Etymology

− The word bicycle first appeared in English print in The Daily News in 1868, to describe "Bysicles and trysicles" on the "Champs Elysées and Bois de Boulogne." The word was first used in 1847 in a French publication to describe an unidentified two-wheeled vehicle, possibly a carriage. The design of the bicycle was an advance on the velocipede, although the words were used with some degree of overlap for a time. + bicycles are imporfsdddfgfds

− Other words for bicycle include "bike", "pushbike", "pedal cycle", or "cycle". In Unicode, the code point for "bicycle" is 0x1F6B2. The entity 🚲 in HTML produces 🚲. + f

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1. Koeppel, Dan (January–February 2007), "Flight of the Pigeon", Bicycling, vol. 48, no. 1, Rodale, Inc., pp. 60–66, ISSN 0006-2073, retrieved 2012-01-28
2. "Bicycles produced in the world - Worldometers". Retrieved 2 January 2012.
3. ^ Herlihy 2004, pp. 200–50. sfn error: no target: CITEREFHerlihy2004 (help)
4. ^ Herlihy 2004, pp. 266–71. sfn error: no target: CITEREFHerlihy2004 (help)
5. ^ Herlihy 2004, p. 280. sfn error: no target: CITEREFHerlihy2004 (help)
6. Heitmann JA. The Automobile and American Life. McFarland, 2009, ISBN 0-7864-4013-9, pp. 11 and following
7. Heitmann JA. The Automobile and American Life. McFarland, 2009, ISBN 0-7864-4013-9, pp. 11 and following
8. Heitmann JA. The Automobile and American Life. McFarland, 2009, ISBN 0-7864-4013-9, pp. 11 and following
9. ^ "bicycle". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
10. "bicycle (n.)". Online Etymology Dictionary. Retrieved 10 February 2014.
11. "bike". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
12. "pushbike". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
13. "pedal cycle". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
14. "cycle". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
15. "Transport and Map Symbols" (PDF). unicode.org. Retrieved 10 February 2014.