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Honda FCX Concept 2005 in-wheel motor with high-voltage wires in orange. Running high voltage outside the chassis can be avoided by using near-wheel motors, which have similar advantages to in-wheel motors. Hub motors are attractive from a design standpoint because of their flexibility. They can be used for front-, rear-, or individual-wheel ...
Bafang RG A510.S.D 2023 5 315.7% 3700g eFat Bafang RG A310.S.D 2022 3 165.1% 80 Nm 1700g eCity / eTour 3x3 Nine 2022 9 554% 250 Nm 2000g eMTB, heavy cargo, commuter Brompton: BSR (fork from Sturmey Archer) 3 178% ? g City Brompton BWR [1] [2] 2009 3(x2) 246% (302%) 940 g City Enviolo City 2019 continuous 310% 250 W 55 Nm n/a 2450 g [3] City Enviolo
In 1991, a two-wheel drive bicycle was marketed under the Legacy name. It used a flexible shaft and two bevel gears to transmit torque from the rear wheel, driven by a conventional bicycle chain with derailleurs, to the front wheel. [11] In 1994, Steve Christini and Mike Dunn introduced a two-wheel drive option. [12]
The bicycle wheel hub is the motor. The power levels of motors used are influenced by available legal categories and are often, but not always limited to under 750 watts. With a front-drive the motor sits in the front hub, and with a rear-drive the motor sits in the rear hub.
Skirt guard or coatguard: a device fitted over the rear wheel of a bicycle to prevent a long skirt, coat or other trailing clothes or luggage from catching in the wheel, or in the gap between the rim and the brakes; Spindle: an axle around which a pedal rotates; threaded at one end to screw into crank arms; Spoke: connects wheel rim to hub ...
There are a few different variations of flip-flop hubs for BMX bikes that are different from the track style. The most common type of BMX flip flop hub has standard ISO freewheel threads on one side and smaller metric BMX threads (30 mm x 1 mm) on the other side that are designed to work with smaller 14T to 15T BMX freewheels.