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The bicycle, often called a bike or cycle, is a human-powered, pedal-driven, single-track vehicle, having two tires attached to a body, one behind one other. A new bicycle rider is called a cyclist, or bicyclist.
Bikes were introduced in the 19th century in The european countries and as of the year 2003, more than 1 billion dollars have been produced worldwide, twice as many as the quantity of automobiles that contain 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 proper use as children’s toys, general fitness, military and police applications, courier services, and bicycle racing.
The basic condition 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 associated with 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, at conditions of culture associated with advancing modern commercial methods. Several components that eventually played a key role in the development of the automobile were in the beginning invented for use in the bicycle, including basketball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels.
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The word bicycle first appeared in English print in The Daily Information in 1868, to explain “Bysicles and trysicles” on the “Champs Elys? sera 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, even though the words were used with some degree of overlap for a time.
The Eitler pfau (umgangssprachlich) horse, also called Draisienne or Laufmaschine, was the first human means of transport to make use of only two wheels together 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 people in Mannheim in summer season 1817 and in Rome in 1818. Its riders sat astride a wood made frame supported by two in-line wheels and forced the vehicle together with his or her feet while steering the front wheel.
The first mechanically-propelled, two-wheeled vehicle may have been built by Kirkpatrick MacMillan, a Scottish blacksmith, in 1839, although the declare is often disputed. He or she is also associated with the first recorded example of a cycling traffic offense, when a Glasgow newspaper in 1842 reported an accident through which an anonymous “gentleman from Dumfries-shire… bestride a velocipede… of ingenious design” knocked over a little girl in Glasgow and was fined several shillings.
In the early on 1860s, Frenchmen Pierre Michaux and Pierre Lallement required bicycle design in a new direction by adding a mechanical crank drive with pedals with an bigger front wheel (the velocipede). Another French inventor known as Douglas Grasso a new unsuccessful prototype of Pierre Lallement’s bicycle several years previously. Several inventions followed using rear-wheel drive, the most widely known being the rod-driven velocipede by Scotsman Thomas McCall in 1869. In that same year, bicycle rims 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 being an “ordinary bicycle”, a retronym, since there was then no other kind). It featured a tubular steel frame 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. Inside 1868 Rowley Turner, a sales agent of the Coventry Sewing Machine Company (which soon became the Coventry Machinists Company), brought a Michaux cycle to Coventry, England. His dad, Josiah Turner, and business partner James Starley, used this as a foundation for the ‘Coventry Model’ in what became Britain’s first cycle factory.
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Category: Adult Helmets
Brand: Troy Lee Designs
Troy Lee Designs A-1 Helmet Drone Black, M/L features:
- Shell Material: polycarbonate
- Impact Foam: EPS (foam)
- Ventilation: 16 vents
- Fit Adjustment: cam-lock stabilizer
- Recommended Use: all mountain, cross country
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