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James Starley; following the invention of the pneumatic tire in 1888 by the Scot John Dunlop, the safety bicycle superseded the high-wheeled form.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. Electric bicycles, with a battery-powered electric motor to assist the rider or fully drive the bicycle, have been developed; although the concept dates to the 1890s, the development of lighter weight batteries since the 1990s has made for more practical electric bicycles.

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 classic literature ?
The man on the bicycle was doubtless a member of those week-end parties at the Hall of which the publican had spoken, but who he was, or what he wanted, was as obscure as ever.
Holmes, you'll hardly believe it, but ever since that girl has been in my employment I never once let her go past this house, where I knew the rascals were lurking, without following her on my bicycle, just to see that she came to no harm.
He failed to observe that the type of motor-car, like the type of bicycle, was settling-down and losing its adventurous quality.
We were in the shrubbery, Raffles with his electric torch drawn and blazing, when we heard the kicking at the pantry door, and in the drive with our bicycles before man and boys poured pell-mell down the steps.
But it was something to Ralph to get any air at all, other than night-air, and the bicycle did the rest.
I think the most ridiculous sight in the world is a man on a bicycle, working away with his feet as hard as he possibly can, and believing that his horse is carrying him instead of, as anyone can see, he carrying the horse.
She overtook the bicycle, and they went together through the gates and by the highroad to the scene the old man had described.
Instantly I stepped out into the street, picked up the box, and replaced it in the cart: in the next moment the bicycle had spun round the corner, passed the cart without let or hindrance, and soon vanished in the distance, in a cloud of dust.
Dan sniggered, and threw Harvey his warped bicycle shoes.
She would bicycle from the station, and is, I am sure, the first woman who has done it.
The bicycle explains the disappearance of the murderer's big foot-prints," I said.
A few yards behind, Meekins had alighted from his bicycle and was standing waiting.