Bicycle racing is a competition sport in which various types of bicycle

Bicycle

A bicycle, also known as a bike, pushbike or cycle, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist, or bicyclist....

s are used. There are several categories of bicycle racing including road bicycle racing

Road bicycle racing

Road bicycle racing is a bicycle racing sport held on roads, using racing bicycles. The term "road racing" is usually applied to events where competing riders start simultaneously with the winner being the first to the line at the end of the course .Historically, the most...

, cyclo-cross

Cyclo-cross

Cyclo-cross is a form of bicycle racing. Races typically take place in the autumn and winter , and consists of many laps of a short course featuring pavement, wooded trails, grass, steep hills and...

, mountain bike racing

Mountain bike racing

The Union Cycliste Internationale recognised the sport of mountain bike racing relatively late in 1990, when it sanctioned the world championships in Purgatory, Colorado. The first mountain biking world cup series took place in 1991. Its nine-race circuit covered two continents—Europe and North...

, track cycling

Track cycling

Track cycling is a bicycle racing sport usually held on specially built banked tracks or velodromes using track bicycles....

, BMX

BMX

Bicycle motocross or BMX refers to the sport in which the main goal is extreme racing on bicycles in motocross style on tracks with inline start and expressive obstacles, and it is also the term that refers to the bicycle itself that is designed for dirt and motocross cycling.- History :BMX started...

, bike trials, and cycle speedway

Cycle speedway

Cycle speedway is a form of bicycle racing on short oval dirt tracks, usually outdoors, occasionally indoors, typically 70-90 metres long. Like motorcycle speedway, riders use machines without brakes or multiple gears but, unlike motor speedway, the object is not to slide bikes round the...

. Bicycle racing is recognised as an Olympic sport. The Union Cycliste Internationale

Union Cycliste Internationale

Union Cycliste Internationale is the world governing body for sports cycling and oversees international competitive cycling events. The UCI is based in Aigle, Switzerland....

 is the world governing body

Sport governing body

A sport governing body is a sports organization that has a regulatory or sanctioning function. Sport governing bodies come in various forms, and have a variety of regulatory functions. Examples of this can include disciplinary action for rule infractions and deciding on rule changes in the sport...

 for cycling

Cycling

Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, or for sport. Persons engaged in cycling are cyclists or bicyclists...

 and international competitive cycling events.

All bicycle races involve diamond frame bicycles of two triangles, generally composed of various steel alloys (with Cr–Mo), aluminum, or carbon fiber.