bicycle

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bicycle,

light, two-wheeled vehicle driven by pedals. The name velocipede is often given to early forms of the bicycle and to its predecessor, the dandy horse, a two-wheeled vehicle moved by the thrust of the rider's feet upon the ground. Probably the first practical dandy horse was the draisine, originated c.1816 by Baron Karl Drais von Sauerbronn, chief forester of the duchy of Baden, to facilitate his inspection tours. Introduced into England in 1818, it was slowly improved, and c.1839 Kirkpatrick MacMillan, a Scottish blacksmith, developed a machine propelled by foot treadles and incorporating cranks, driving rods, and handlebars. The French inventor Ernest Michaux introduced in 1855 a heavy crank-driven bicycle. This was perfected c.1865 by Pierre Lallement, whose velocipede, known as a "boneshaker," ran on ironclad wooden rims, the front wheel larger than the rear. Major improvements followed rapidly, including a light, hollow steel frame, ball bearings, tangential metal spokes, and solid rubber tires.

By the 1880s the front wheel had attained a diameter up to 64 in. (163 cm). Although the larger the wheel, the greater the potential speed, size was limited by the length of the rider's legs, and speed by their strength. The safer tricycle, a three-wheeled vehicle similar to the bicycle, also enjoyed a vogue in the 1880s, especially among women and short men. The safety bicycle, with wheels of approximately equal diameter and a sprocket-chain drive connecting the pedals with the rear wheels, was first manufactured at Coventry, England, c.1885 by the English machinist James Starley; following the invention of the pneumatic tire in 1888 by the Scot John Dunlop, the safety bicycle superseded the high-wheeled form. Subsequent modifications include the freewheel (a rear wheel that turns freely when the pedals are stopped), the coaster brake, the hand brake, variable drive gear, and adjustable handlebars.

In the 1880s cycling became a fad of major proportions in the United States and Europe. Bicycle clubs were formed; both sexes participated in rides into the country, often on tandem bicycles. The League of American Wheelmen, organized in 1880, was a leader in the agitation for good roads. Although cycling declined in the United States with the introduction of automobiles, it has recently grown in popularity, notably since the introduction in the 1970s of wide-tired, off-road "mountain bikes." In many parts of the world the bicycle remains a more important means of transportation than the automobile. See also bicycle racingbicycle racing
or cycling,
an internationally popular sport conducted on closed courses or the open road. Track racing takes place at a velodrome, usually a banked 1,093.6 ft (.333 km) oval.
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; motorcyclemotorcycle,
motor vehicle whose design is based on the bicycle. The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The motorcycle did not become dependable and popular, however, until after 1900.
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.

Bibliography

See D. V. Herlihy, Bicycle (2004); M. Glaskin, Cycling Science (2012); T. Hadland and H.-E. Lessing, Bicycle Design: An Illustrated History (2014).

What does it mean when you dream about a bicycle?

Getting somewhere through personal effort. Depending on one’s childhood experiences, bicycles can also represent the freedom of youth. There is also an idiomatic expression, “like a fish needs a bicycle,” which refers to something one does not need.

bicycle

[′bī‚sik·əl]
(mechanical engineering)
A human-powered land vehicle with two wheels, one behind the other, usually propelled by the action of the rider's feet on the pedals.

bicycle

a vehicle with a tubular metal frame mounted on two spoked wheels, one behind the other. The rider sits on a saddle, propels the vehicle by means of pedals that drive the rear wheel through a chain, and steers with handlebars on the front wheel
www.ibike.org

Bicycle

(dreams)
All vehicles symbolize our passage through the journey of life. Since the bicycle is usually acquired earlier in life than a car, it could be pointing out some of your adolescent tendencies. If you are a teenager, then it may be a routine way of getting around. Riding a bicycle in your dream may symbolize a need for balance and hard work in order for you to succeed in a current endeavor. Some think that the bicycle could also represent your need for some type of assistance. Consider all of the details in your dream, including whether you are traveling up or down the road.
References in periodicals archive ?
Bicyclists have less crowded roads to contend with during the off months of May and October, which is best for fall colors.
A lot of people think that the onus is on drivers to keep everyone safe on the roadways, but bicyclists certainly have responsibilities, too," says Edmunds.
For example, current design practices commonly drop bicycle pavement markings and signs at intersections, providing little or no positioning guidance for motorists or bicyclists.
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I hope that the trends discussed in this section continue and that this discussion helps policymakers considering how to regulate bicyclist behavior in the future.
Bicyclists killed are predominantly males (88 percent in 2012), and lack of helmet use and alcohol impairment continue to contribute to bicyclist deaths.
The pickup driver attempted to avoid the bicyclist but struck him near the center of the road, police said.
The photo shows a large group of bicyclists hogging the road.
Concerned that bicyclists have become targets of road rage, the City Council launched an effort Wednesday to determine how to better protect those who ride Los Angeles streets on just two wheels.
An early product promoted by the initiative is FFTWA's new guide to creating road diets, in which transportation agencies redesign roadways with lower traffic volumes to add space for bicyclists and pedestrians.
The plans are to widen the existing roadway in the town of Onley to include two, 11-foot travel lanes with three-foot accommodations for bicyclists and pedestrians, and curb and gutter.
The bicyclist landed on the car's windshield, smashing it, a witness said.