A bicycle, or bike, is a pedal-driven, human-powered vehicle with two wheels attached to a frame, one behind the other. The International Union of Cycling adds the provision that the seat be more or less above the pedals, thus excluding recumbent bicycles.
First introduced in 19th-century Europe, bicycles now number over one billion worldwide, providing the principal means of transportation in many regions, notably China and the Netherlands. They are also a popular form of recreation, and have been adapted for use in many other fields of human activity, including children's toys, adult fitness, military and local police applications, courier services, and cycle sports.
The basic shape and configuration of the bicycle's frame, wheels, pedals, saddle, and handlebars have hardly changed since the first chain-driven model was developed around 1885, although many important details have since been improved, especially since the advent of modern materials and computer-aided design. These have allowed for a proliferation of specialized designs for individuals who pursue a particular type of cycling.
The bicycle has affected history considerably, in both the cultural and industrial realms. In its early years, bicycle construction drew on pre-existing technologies; more recently, bicycle technology has, in turn, contributed ideas in both old and newer areas... more
The Handcycle Store: Handcycles and Handbikes. Visit our handbike ...
Tue, 30 Jun 2009 13:23:00 GMT
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Tue, 23 Jun 2009 12:34:00 GMT
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Bike It
Wed, 01 Jul 2009 10:37:00 GMT
Welcome to the Bike It website. Bike It?s exciting and diverse range of motorcycle accessories covers everything from Airblade double bubble screens and Viper race cans to ... Visit
Mountain Bike Trails, Reviews, Parts, Gear, Photos, and Videos | MTB ...
Mon, 29 Jun 2009 09:57:00 GMT
Mountain bike photos, videos, news features, gear, reviews, trail descriptions, athletes, race results and more. Bike is the world's leading mountain bike magazine. Visit
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Wed, 24 Jun 2009 00:30:00 GMT
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Bicycle - Wikipedia, the free encyclopedia
Thu, 25 Jun 2009 22:19:00 GMT
A bicycle, bike, or cycle is a pedal-driven, human-powered vehicle with two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist or a ... Visit
Bike - Wikipedia, the free encyclopedia
Sun, 21 Jun 2009 09:16:00 GMT
Bike may refer to: Abbreviation for either bicycle or motorcycle; Bike Company; Bike, Ethiopia; Bike Magazine, a UK magazine about motorcycling; Bike (song), by Pink Floyd Visit
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Fri, 26 Jun 2009 16:34:00 GMT
Cycling products and accessories for mountain, road, triathlon, along with comfort, cruiser and children's. Visit
Bike Pittsburgh, Bicycle Advocacy, Safety and Community in Pittsburgh ...
Thu, 02 Jul 2009 12:45:00 GMT
Up Next: Bicycle Film Festival, July 2-4. Check out the cute BFF Trailer. The International Bicycle Film Festival is coming to Pittsburgh, July 2-4. Visit
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Sun, 21 Jun 2009 11:25:00 GMT
BIKE is the brand of innovative, high quality, cutting-edge athletic protection that has been proven to enhance athletes' performance on the field of play for over 130 years. Visit
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