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A BMX bike is an
off-road Off-roading is the activity of driving or riding in a vehicle on unpaved surfaces such as sand, gravel, riverbeds, mud, snow, rocks, and other natural terrain. Types of off-roading range in intensity, from leisure drives with unmodified vehicl ...
sport Sport pertains to any form of competitive physical activity or game that aims to use, maintain, or improve physical ability and skills while providing enjoyment to participants and, in some cases, entertainment to spectators. Sports can, th ...
bicycle A bicycle, also called a pedal cycle, bike or cycle, is a human-powered or motor-powered assisted, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A is called a cyclist, or bicyclist. Bic ...
used for
racing In sport, racing is a competition of speed, in which competitors try to complete a given task in the shortest amount of time. Typically this involves traversing some distance, but it can be any other task involving speed to reach a specific goa ...
or stunt riding.
BMX BMX, an abbreviation for bicycle motocross or bike motocross, is a cycle sport performed on BMX bikes, either in competitive BMX racing or freestyle BMX, or else in general street or off-road recreation. History BMX began during the earl ...
mean''s bicycle'' ''
motocross Motocross is a form of off-road motorcycle racing held on enclosed off-road circuits. The sport evolved from motorcycle trials competitions held in the United Kingdom. History Motocross first evolved in Britain from motorcycle trials competit ...
''.


Construction

Though originally denoting a bicycle intended for
BMX racing BMX racing is a type of off-road bicycle racing. The format of BMX was derived from motocross racing. BMX bicycle races are sprint races on purpose-built off-road single-lap race tracks. The track usually consists of a starting gate for up to e ...
, the term "BMX bike" is now used as a generic term to encompass race bikes ('class' and 'cruiser') and those used for freestyle disciplines (street, vert, park, flatland), and dedicated dirt jumper bicycles. Frames are made of various types of
steel Steel is an alloy made up of iron with added carbon to improve its strength and fracture resistance compared to other forms of iron. Many other elements may be present or added. Stainless steels that are corrosion- and oxidation-resistant t ...
,
aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It h ...
, or carbon fiber. Cheaper, low-end bikes are usually made of steel. Higher range freestyle bikes are mostly
chromoly 41xx steel is a family of SAE steel grades, as specified by the Society of Automotive Engineers (SAE). Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel (common v ...
, such as lightweight 4130 chromoly, or generation 3 chromoly. BMX race bikes extensively use aluminum or carbon fiber.


Models

BMX bicycles are available in these models types: * Dirt – These bikes feature tires with thicker and wider tread for better grip on potentially loose surfaces. * Flatland – flatland style BMX bikes have different frame geometry to traditional park BMX bikes because flatland riding requires precise balance on multiple parts of the bike. * Park – park style BMX bikes (also called vert) are often made lighter by reducing the structural strength of particular areas of the bike, which is possible because park riding does not occur on particularly rough terrain. Brakes may or may not be installed. * Race – racing style BMX bikes feature lighter materials and slightly different frame geometry and sizes. Racing BMX bikes are required to have brakes. Their light weight construction and wide array of customizable gear ratios allow race bikes to accelerate quickly. Conversely, the lightweight construction means race bikes are not for freestyle (tricks) use. * Street – modern street style BMX bikes commonly have nylon composite sleeved pegs attached to the axles to enable the rider to grind or balance on various raised obstacles. Metal pegs have fallen out of favor among street riders due to the unkempt nature of street obstacles. Also, the street BMX is heavier and stronger due to the extra strain encountered with the hard, flat surfaces of street riding. Street riders commonly have no cable brakes to enable the rider to spin the bars without the brake cable getting in the way. Riders use their foot against the top of the back tire to slow down, or fit a u-brake to the rear with an extended cable or a gyro to allow for full rotation of the bars.


Notable BMX bike manufacturers

Current and former makers of BMX bikes include: * Advanced Sports International *
Diamondback Bicycles Diamondback Bicycles is a major bicycle brand that is based in Kent, Washington. Diamondbacks are sold in many countries, including the United States, Australia, Canada, and the United Kingdom. Most Diamondbacks are considered to be mid-type bicy ...
* Dynacraft BSC * Ellsworth Handcrafted Bicycles * Fuji Bikes *
GT Bicycles GT Bicycles is an American company that designs and manufactures BMX, mountain, and road bicycles. GT is a division of the Dutch conglomerate Pon Holdings, which also markets Cannondale, Schwinn, Mongoose, IronHorse, DYNO, and RoadMaster bicyc ...
*
Haro Bikes Haro Bikes Corporation is an American BMX and Mountain bicycle manufacturer which was founded in 1978 by Bob Haro. The Haro bikes were considered Freestyle BMX bikes. History Haro Designs The company was founded in 1978 by Bob Haro, who b ...
*
Huffy The Huffy Corporation is a supplier of bicycles with headquarters in Dayton, Ohio, United States. Early history It has its roots in 1887 when George P. Huffman purchased the Davis Sewing Machine Company and in 1890 moved its sewing machine f ...
* JMC Bicycles *
Mongoose A mongoose is a small terrestrial carnivorous mammal belonging to the family Herpestidae. This family is currently split into two subfamilies, the Herpestinae and the Mungotinae. The Herpestinae comprises 23 living species that are native to s ...
*
Next Next may refer to: Arts and entertainment Film * ''Next'' (1990 film), an animated short about William Shakespeare * ''Next'' (2007 film), a sci-fi film starring Nicolas Cage * '' Next: A Primer on Urban Painting'', a 2005 documentary film Lit ...
* Nishiki *
Pacific Cycle Pacific Cycle, Inc., is an American division of Dutch conglomerate Pon Holdings that imports and distributes bicycles. It was founded in 1977 by Chris Hornung. The company pioneered the sourcing of bicycles from the Far East for distribution in ...
* Redline bicycles *
Ross Ross or ROSS may refer to: People * Clan Ross, a Highland Scottish clan * Ross (name), including a list of people with the surname or given name Ross, as well as the meaning * Earl of Ross, a peerage of Scotland Places * RoSS, the Republic of Sout ...
*
SE Racing SE Racing was a BMX bicycle company which was founded in 1977 by Scot Breithaupt (Scot Enterprises). The company manufactured the PK Ripper BMX bike and the Floval Flyer.''BMX Plus!'' July 1994 Vol.17 No.7 pg.48 The PK Ripper is the longest runn ...
*
Schwinn Bicycle Company The Schwinn Bicycle Company is an American company that develops, manufactures and markets bicycles under the eponymous brand name. The company was originally founded by Ignaz Schwinn (1860–1948) in Chicago in 1895. It became the dominant manu ...
*
Torker Torker was a brand of bicycles and unicycles owned by Seattle Bike Supply, headquartered in Kent, Washington. History The Torker name was created by Johnson Engineering in Fullerton, CA in 1977 for a BMX bike frame. The first Haro bikes were ...


See also

*
Dirt jumping Dirt jumping is the practice of riding bikes over jumps made of dirt or soil and becoming airborne. Dirt Jumping evolved alongside BMX racing and is similar to BMX or mountain bike racing in that the rider jumps off of mounds of dirt, usual ...
*
Pump track A pump track is a circuit of rollers, banked turns and features designed to be ridden completely by riders "pumping"—generating momentum by up and down body movements, instead of pedaling or pushing. It was originally designed for the mountain bi ...
*
Cycling Cycling, also, when on a two-wheeled bicycle, called bicycling or biking, is the use of cycles for transport, recreation, exercise or sport. People engaged in cycling are referred to as "cyclists", "bicyclists", or "bikers". Apart from two ...
*
Glossary of cycling This is a glossary of terms and jargon used in cycling, mountain biking, and cycle sport. For ''parts of a bicycle'', see List of bicycle parts. 0–9 ; 27.5 Mountain bike: A mountain bike with wheels that are approximately in diameter and ...
*
Outline of cycling :''This article is an outline about the activity of cycling. For an outline about bicycles themselves, see outline of bicycles.'' :The following ''outline'' is provided as an overview of, as well as a topical guide to cycling: Cycling, al ...
*
Fixed-gear bicycle A fixed-gear bicycle (or fixed-wheel bicycle, commonly known in some places as a fixie) is a bicycle that has a drivetrain with no freewheel mechanism. The freewheel was developed early in the history of bicycle design but the fixed-gear bicyc ...
* D.I.D chain * Izumi chain


References

{{Human-powered vehicles BMX Cycle types