Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, exercise, or sport. People engaged in cycling are referred to as “cyclists”, “bicyclists”, or “bikers”. Apart from two-wheeled bicycles, “cycling” also includes the riding of unicycles, tricycles, quadricycles, recumbents, and similar human-powered vehicles (HPVs). Bicycles were introduced in the 19th century […]