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The wheel is usually similar to a bicycle wheel with a special hub designed so the axle is a fixed part of the hub. This means the rotation of the cranks directly controls the rotation of the wheel (called direct-drive). The frame sits on top of the axle bearings, while the cranks attach to the ends of the axle, and the seatpost slides into the ...
Portage strap: a strap (usually made of leather) attached to the inside of the bike frame, designed to make carrying the bike over one's shoulder easier; Pulley wheel: see Jockey wheel; Power meter: a device on a bicycle that measures the power output of the rider; Quick release: a skewer with a lever on one end that loosens when the lever is ...
A monowheel or uniwheel is a type of one-wheeled, single-track vehicle. Unlike the unicycle, a monowheel consists of a large, hollow wheel that loops above and around the driver. Monowheels are typically powered by an engine as with a motorcycle, with a chassis securing the steering, driver's seat, and propulsion mechanism to the interior of ...
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A piece of equipment that a bicycle stands on so that the rear wheel can spin while the bicycle is stationary, allowing stationary riding. These are usually used when the conditions outside are bad. [123] Tricycle Like a bicycle but with three wheels. Comes in both upright and recumbent versions. Trike See tricycle. True sprinter
In 1994, Steve Christini and Mike Dunn introduced a two-wheel drive option. [12] Their AWD system, aimed at mountain bikers, comprises an adapted differential that sends power to the front wheel once the rear begins to slip. In the late 1990s, 2WD 'Dual Power' mountain bikes were sold in Germany under the Subaru name. They used one belt to ...
Solid rubber tires and the long spokes of the large front wheel provided a much smoother ride than its predecessor. This type of velocipede was the first one to be called a bicycle ("two wheel"), and its shape led to the nickname penny-farthing in the United Kingdom. They enjoyed a great popularity among young men in the 1880s who could afford ...
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