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bicycle handlebar
Bicycle handlebar or bicycle handlebars refers to the steering mechanism for bicycles; the equivalent of a steering wheel. Besides steering, handlebars also often support a portion of the rider's weight, depending on their riding position, and provide a convenient mounting place for brake levers, shift levers, cyclocomputers, bells, etc. Handlebars are attached to a bike's stem which in turn attaches to the fork.
==History==
The dandy horse, or draisienne, invented by Karl von Drais and the first vehicle with two wheels arranged in tandem, was controlled by a bar connected to the front steering mechanism and held by the riders' two hands. The first handlebars were solid bars of steel or wood, depending on the manufacturer. Curved, moustache-shaped, handlebars became popular in the 1880s.〔 Whatton bars were developed in attempt to improve the safety of penny-farthings. Handlebars made of wood, instead of steel, were used on safety bicycles to reduce weight in the 1890s.〔 Although aluminum had been used to make bicycles as early as 1935, it was considered unsafe for handlebars until Cinelli produced them in 1963.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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