| BMX (Bicycle Moto-cross(X)) is a form of
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| | rotor of a helicopter, which requires
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| cycling on specially designed bicycles
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| | blade adjustments while maintaining a
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| which usually have 20-inch wheels
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| | steady speed of rotation.
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| (smaller than the 26-inch wheels found on
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| | The explosion of BMX created many startup
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| mountain bikes and the 700C or 27-inch
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| | companies, and lured many known
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| wheels found on more conventional road
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| | manufacturers into the market. In
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| racing bicycles). The sport includes
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| | addition to the above mentioned, other
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| races on sandy and hilly tracks—BMX
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| | notable companies include GT, Haro, FMF,
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| racing—as well as the performances of
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| | Fit Bike Co, S&M, Schwinn, Eastern Bikes,
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| tricks on flat ground, wooden ramps,
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| | Diamondback, Hoffman Bikes, Volume bike
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| trails (jumps made of dirt) or obstacles
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| | co, Poverty, Cook Brothers, CW, Free
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| found on the streets—BMX freestyle.
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| | Agent, FBM, The Take, Fly Bikes, Bandito,
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| Recently, the sport's international
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| | Twenty, Superstar, Sputnic, Dragonfly,
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| governing body—Union Cycliste
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| | Primo, Odyssey, Skyway, Mosh Bikes, WTP,
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| Internationale (UCI)—began sponsoring
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| | Kuwahara, DK, Huffy, Murray, Federal,
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| the UCI BMX World Championships.
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| | Hutch, SE Racing, JMC Bicycles,
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| BMX originated in the state of
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| | Specialized, Rockmachine and many more.
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| California, United States in the late
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| | Many manufacturers also produce 24" wheel
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| 1960s, when teenagers imitated their
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| | versions of their BMX bikes called
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| motocross heroes (most notably Steve
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| | Cruisers, that run in their own classes.
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| McQueen) on their bicycles. Scot
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| | In the late 1990's, largely due to
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| Breithaupt is credited as the founder of
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| | popular video parts by riders like Ron
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| BMX. The 1971 motorcycle racing
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| | Wilkerson, Eddie Roman and Mat Hoffman,
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| documentary On Any Sunday is generally
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| | BMX 'street' riding has become hugely
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| credited with inspiring the movement
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| | popular and caused quite a change in the
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| nationally. In the opening scene, kids
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| | way BMX bikes are designed and built. The
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| are shown riding their Schwinns off-road.
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| | stresses from impacts and hard landings
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| It wasn't until the middle of that decade
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| | on cement, often times from height, has
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| that the sport achieved critical mass,
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| | brought about the introduction of high
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| and manufacturers began creating bicycles
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| | quality CroMoly steel tubesets into BMX
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| designed specially for the sport. In the
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| | frame manufacturing. It has become common
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| case of Freestyle BMX, it wouldn't be
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| | to find frames constructed of Reynolds
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| what it is today without Bob Haro's
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| | 853 steel tubing, Japanese Sanko Steel
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| contribution. He brilliantly merged
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| | Tubing, and unbranded but high quality
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| skateboarding tricks with freestyle BMX
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| | aircraft grade 4130 CroMoly steel.
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| which led to the current-day style of
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| | Advances in tubing have allowed the
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| this extreme sport.
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| | creation of BMX frames that are both
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| In the beginning of the BMX movement kids
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| | stronger and lighter than what has been
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| would strip down their Schwinn Sting Ray
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| | manufactured previously in the sports
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| bicycles and add knobby tires and perhaps
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| | history. The weight of newest frames
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| motorcycle handlebars, and in time modify
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| | averages around 5 to 6 pounds, and these
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| the frames for performance, strength or
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| | frames can withstand copious amounts of
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| personal preference. Early BMX bicycle
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| | abuse.
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| manufacturers, such as R&R Racing
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| | Street riding has also introduced the
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| Products, Mongoose, Webco and RedLine,
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| | concept of 'micro-gearing' into BMX.
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| eventually created bicycles expressly for
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| | Riders found that if they were not
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| the sport. Mongoose can be credited with
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| | racing, or using their BMX bike for
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| building the quintessential early BMX
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| | travel purposes, that they were carrying
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| bike, featuring a straight-tubed,
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| | around 'too much' gearing, and chainrings
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| gusseted frame; reinforced handlebars;
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| | have shrunk from 44 teeth, all the way
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| Motomag wheels and long crankarms. The
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| | down to 23 teeth in some cases. These
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| initial construction emphasis was on
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| | smaller gear setups further reduce the
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| durability, but weight became a
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| | weight of the bike by using lighter
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| consideration as racing gained
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| | chainrings, smaller rear drivers on
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| popularity. R&R Racing Products, noted
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| | cassette hubs, and shorter chain legths.
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| for introducing the first 3 pound frame,
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| | Many companies, such as Odyssey and
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| forged the path for light weight, yet
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| | Profile Racing, have taken race
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| strong BMX bikes designed specifically
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| | equipment, such as cassette hubs, and
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| for racing. Other manufacturers soon
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| | strengthened them to withstand the abuse
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| followed using lighter materials like
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| | of street riding. Cassette hubs allow the
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| aluminum and chromium molybdenum (CrMo,
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| | use of smaller rear drivers, down to 8
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| chromoly) for frames; steel rims, mag
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| | teeth, which allow the gear ratio to
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| wheels and coaster brakes were replaced
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| | remain constant with smaller chainrings.
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| by aluminum rims with freewheels and
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| | The second wave of street riding
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| caliper brakes. Once BMX racing became a
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| | innovation, pioneered by New York City
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| professional activity, racing bikes
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| | BMX'ers, has seen the advent of a riding
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| became as specialized as in all other
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| | style that emphasises grinding and peg
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| forms of cycling competition.
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| | tricks on rails, ledges, and found urban
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| The next wave of innovation came with the
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| | objects. This riding style has influenced
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| advent of freestyle BMX. Freestyle bikes
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| | bike setups immensely, and New York
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| look much like BMX racing bikes, but they
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| | street riding has become synonymous with
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| have extra places to position the feet
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| | a bike that has no mechanical brake and 4
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| while performing tricks and are much
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| | pegs. Brakeless riders maintain that
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| stronger. Many freestyle bike also
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| | without brakes, a rider develop superior
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| feature a detangler, a device located by
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| | bike control and balance, as well as
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| the headtube that allows the handlebars
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| | keeping the bike light, durable and
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| to be spun 360 or more degrees without
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| | simple. By using 4 pegs, riders are able
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| tangling the brake cables. A detangler is
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| | to attack urban objects from both sides
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| often known by specific brand names, such
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| | creating the opportunity for a greater
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| as the ACS 'Rotor' or the Odyssey 'Gyro'.
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| | variety of tricks on a wider array of
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| The design of the Gyro was based on the
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| | terrain.
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