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A chain drive and rear derailleur gear change, the most popular system in use today A shaft-drive with crankset and rear gear hub. Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels.
BMC Switzerland AG (abbreviation of "Bicycle Manufacturing Company") is a Swiss bicycle and cycling product manufacturer based in Grenchen. [1] BMC designs, builds and distributes road bikes, mountain bikes, and commuter bikes primarily for sale to dealers in North America, Europe, South Africa, Australia, East Asia and the United Arab Emirates.
A modern industrial knitting machine in action industrial circular knitting fabric machines A knitting machine is a device used to create knitted fabrics in a semi or fully automated fashion. There are numerous types of knitting machines, ranging from simple spool or board templates with no moving parts to highly complex mechanisms controlled ...
The name of the machine was the Leavers machine (the 'a' was added to aid pronunciation in France). The original machine made net but it was discovered that the Jacquard apparatus (invented in France for weaving looms by J M Jacquard in about 1800) could be adapted to it. From 1841 lace complete with pattern, net and outline could be made on ...
Ridley Bikes was started in 1997 by Jochim Aerts, a frame builder and painter who had been producing frames for Belgian bicycle companies since 1990. In a few years, Ridley became the market leader in Belgium for racing bikes. [1] They are the main bike sponsors for team Lotto–Soudal. [2]
A Rohloff Speedhub hub gear A Shimano XT rear derailleur on a mountain bike A bicycle gearbox with chain tensioner. Bicycle gearing is the aspect of a bicycle drivetrain that determines the relation between the cadence, the rate at which the rider pedals, and the rate at which the drive wheel turns.
A pivoting-boom front-wheel drive (PBFWD aka moving bottom bracket recumbent) configuration also overcomes heel strike since the pedals and front wheel turn together. PBFWD bikes may have dual 26-inch (660 mm) wheels or larger. Handlebar setup for under-seat steering (USS)
The earliest usable and much-copied velocipede was created by the German Karl Drais and called a Laufmaschine (German for "running machine"), which he first rode on June 12, 1817. He obtained a patent in January 1818.