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
Bike.com ? Bikes, bicycle parts, bike accessories, cycling ...
Thu, 02 Sep 2010 11:50:00 GMT
Bikes, bicycle parts, bicycle components, cycling gear, bike helmet and accessories at Bike.com. Your source for bicycle parts, mountain bike parts, bicycle accesories carrying ... Visit
Mountain Bike Trails, Reviews, Parts, Gear, Photos, and Videos ...
Thu, 02 Sep 2010 14:27:00 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
Bicycle - Wikipedia, the free encyclopedia
Fri, 27 Aug 2010 01:13:00 GMT
A bicycle, also known as a bike, pushbike or cycle, is a pedal-driven, human-powered, single-track vehicle, having two wheels attached to a frame, one behind the other. Visit
Bike Athletic
Wed, 01 Sep 2010 00:02:00 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. Visit
Bike - Wikipedia, the free encyclopedia
Mon, 30 Aug 2010 10:42:00 GMT
Bike may refer to: The abbreviation for either bicycle or motorcycle; Bike Company; Bike, Ethiopia; Bike Magazine, a UK magazine about motorcycling "Bike" (song), by Pink Floyd Visit
Performance Bicycle - Bikes, bike accessories, bike gear, cycling ...
Wed, 01 Sep 2010 08:38:00 GMT
Shop now at Performance Bike for Free Ground Shipping - Best price, best selection and best brands for bikes, cycling apparel, cycling equipment and much more. Always 100% ... Visit
Bike Magazine | Britain's Best-Selling Bike Magazine
Sun, 29 Aug 2010 22:03:00 GMT
The UK's best selling motorcycle magazine. Featuring motorbike reviews, motorcycle classifieds, motorcycle touring & bike news. Subscribe to Bike Magazine or sell your bike for ... Visit
TrekBikes.com Country/Language Selection
Thu, 02 Sep 2010 01:13:00 GMT
Official site featuring a complete bike catalog, online accessories store, training and maintenance tips, cycling team information, and dealer directory. Visit
bike: Definition from Answers.com
Fri, 27 Aug 2010 04:33:00 GMT
bike n. A bicycle. A motorcycle. A motorbike. intr.v. , biked , biking , bikes . To ride a bike. [Shortening and alteration of BICYCLE Visit
Bike Line
Thu, 02 Sep 2010 15:17:00 GMT
The Delaware Valley's premier chain of bicycle stores. Bike Line is the world's largest Trek bicycle retailer. We offer outstanding service with the best staff in the bicycle ... Visit
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