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A bicycle, often called a bike or cycle, is a human-powered, pedal-driven, single-track vehicle, having two rims attached to a framework, one behind the other. The bicycle rider is known as a cyclist, or bicyclist.
Mountain bikes were introduced in the 19th century in Europe and as of the year 2003, more than 1 billion dollars have been produced worldwide, twice as many as the number of automobiles which may have been produced. They are the principal means of transportation in many regions. Additionally they provide a popular form of recreation, and have been adapted to be used as children’s toys, common fitness, military and law enforcement applications, courier services, and bicycle racing.
The basic condition and configuration of a typical upright or “safety bicycle”, has evolved 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 huge effect on society, both in conditions of culture along with advancing modern commercial methods. Several components that eventually played a key role in the development of the automobile were at first invented for use in the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.
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The word bicycle first appeared in English printing in The Daily News in 1868, to describe “Bysicles and trysicles” on the “Champs Elys? sera and Bois de Boulogne. ” The term 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, even though words were used with some extent of overlap for a time.
The Dandy horse, also called Draisienne or Laufmaschine, was the first human means of transport to use only two wheels in tandem and was invented by the The german language Baron Karl von Drais. It is considered to be the modern bicycle’s forerunner; Drais introduced it to the public in Mannheim in summer time 1817 and in Rome in 1818. Its driver sat astride a wood made frame supported by two in-line wheels and forced the vehicle along with his or her feet while steerage the front wheel.
The initial mechanically-propelled, two-wheeled vehicle could have been built by Kirkpatrick MacMillan, a Scottish blacksmith, in 1839, although the state is often disputed. He is also associated with the first recorded occasion of a cycling traffic offense, when a Glasgow newspaper in 1842 noted an accident by which an anonymous “gentleman from Dumfries-shire… bestride a velocipede… of ingenious design” toppled a little girl in Glasgow and was fined 5 shillings.
In the early 1860s, Frenchmen Pierre Michaux and Pierre Lallement took bicycle design in a new direction by adding a mechanical crank drive with pedals by using an increased front wheel (the velocipede). Another French inventor called Douglas Grasso a new been unsuccessful prototype of Pierre Lallement’s bicycle several years earlier. Several inventions followed using rear-wheel drive, the best known being the rod-driven velocipede by Scotsman Thomas McCall in 1869. In that same year, bicycle wheels with wire spokes were patented by Eug? eine Meyer of Paris. The particular French v? locip? de, made of iron and wood, developed into the “penny-farthing” (historically known as a possible “ordinary bicycle”, a retronym, since there was then no other kind). It presented a tubular steel framework on which were mounted wire-spoked wheels with solid rubber tires. These bicycles were difficult to ride due to their high seat and poor weight distribution. Within 1868 Rowley Turner, a sales agent of the Coventry Sewing Machine Organization (which soon became the Coventry Machinists Company), brought a Michaux cycle to Coventry, England. His granddad, Josiah Turner, and business partner James Starley, used this as a basis for the ‘Coventry Model’ in what became Britain’s first cycle factory.
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Zol Multipack Road Bicycle Bike Inner Tube 700×23/25C PRESTA/FRENCH 48mm Valve (2 PCS) features:
- Made out of butyl construction
- Weight 130 grams
- Presta Valve/French Valve stem 48 mm long
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