Cycling

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Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, exercise or sport.[1] Persons engaged in cycling are referred to as “cyclists”,”bikers”,or less commonly, as “bicyclists”. Apart from two-wheeled bicycles, “cycling” also includes the riding of unicycles, tricycles, quadracycles, recumbent and similar human-powered vehicles (HPVs).

Bicycles were introduced in the 19th century and now number approximately one billion worldwide. They are the principal means of transportation in many parts of the world.