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A track bicycle or track bike is a form of fixed-gear bicycle optimized for racing at a velodrome or at an outdoor track. Some road racing and club cyclists use a fixed-gear bicycle for training during the winter months, generally using a relatively low gear ratio, believed to help develop a good pedalling style. [5]
Bicycle messenger culture in the late 20th century and early 21st century is a major influence to freestyle on fixed-gear bikes. Fixed gears date to the mid-19th century, and bike messengers in New York have long found them to be dependable and practical machines for tough city streets.
A fixed-gear bicycle can look like this. Fixed-gear is nothing exotic. It only means that there is no freewheel. The fixed-gear bike can have multiple gears and four brakes. Besides the track rules there are no laws regarding fixed-gear bicycles. --213.188.98.237 21:36, 6 June 2011 (UTC) This is indeed a Dutch bike.
The track bicycle made by Pinarello that Bradley Wiggins rode to break the hour record in June 2015. A track bicycle or track bike is a bicycle optimized for racing at a velodrome or outdoor track. Unlike road bicycles, the track bike is a fixed-gear bicycle; thus, it has only a single gear ratio and has neither a freewheel nor brakes.
Single-speed bicycles and fixed-gear bicycles have only one gear, and include all BMX bikes, many children's bikes, city messenger bikes, and many others. The fixed gear has no freewheel mechanism, so whenever the bike is in motion the pedals continue to spin. The pedals can, or sometimes must, be used to slow down.
Chappelli Cycles was started in 2010 by an Australia entrepreneur Tom Davies and English industrial designer Pablo Chappelli. At the time of launch it was the first pure-play online bicycle store in Australia specialising in fixed-gear bicycles. [citation needed]
Generally, the freewheel is selected to be the same size, or slightly larger (more teeth) than the fixed cog. The same size allows the same gearing, but with coasting option, while a slightly larger freewheel gear allows coasting and easier pedaling for longer or hilly rides. Both could also be freewheels for two different coasting gear selections.
Bicycle drivetrain systems have been developed to transmit power from riders to drive wheels by a variety of methods. Most bicycle drivetrain systems incorporate a freewheel to allow coasting, but direct-drive and fixed-gear systems do not. The latter are sometimes also described as bicycle brake systems.