Bicycling or cycling is the use of bicycles as a sport, as a means of transportation, or as a recreation. The development of chain drive led to the development of bicycle. The chain drive eliminated the need to have the cyclists directly above the wheel, instead between the two wheels for better balance thereby bicycles evolved and people started to manufacture them. For shorter distance of travel, cycling is more convenient. It has good benefits compared to the motorized vehicles like: no noise pollution, no air pollution, low cost, it is also the means to exercise, and many more. As the bicycle increases and more developed, racing events was formed. Road races involve individual and team competition. There are time trial races, mountain bike racing, cyclo-cross races( races on rugged outdoor terrain) and many more. Rides competitions are usually a challenge to 25,50 or 100 miles  events. Nowadays, it is included in the Olympic Games and other international sports competitions.