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2. Motor-paced racing - Wikipedia

   en.wikipedia.org/wiki/Motor-paced_racing

   A Derny is a light motorbike typically driven by a 98 cc (6.0 cu in) Zurcher two-stroke engine and by being pedaled through a fixed gear, typically of 70 teeth on the front chainring and 11 on the sprocket on the back wheel. The combination allows for smooth acceleration and slowing, important when the rider taking pace is centimetres from the ...

3. Roller chain - Wikipedia

   en.wikipedia.org/wiki/Roller_chain

   Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.

4. Gear inches - Wikipedia

   en.wikipedia.org/wiki/Gear_inches

   This is equivalent to doubling the size of the drive wheel; that is, it is like a directly driven bicycle with a 52-inch wheel. That gear is said to be "52 gear inches." A bicycle with a 26-inch wheel, a 48-tooth chainring, and a cassette with gears ranging from 11 to 34 teeth has a lowest gear of 26 × 48 / 34 = 37 gear inches and a highest ...

5. Sprocket - Wikipedia

   en.wikipedia.org/wiki/Sprocket

   The sprocket wheels a, b, and c engage and transport the film. a and b move with uniform velocity and c indexes each frame of the film into place for projection. Sprockets are used in the film transport mechanisms of movie projectors and movie cameras. [5] In this case, the sprocket wheels engage film perforations in the film stock.

6. Motorcycle transmission - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_transmission

   A motorcycle transmission is a transmission created specifically for motorcycle applications. They may also be found in use on other light vehicles such as motor tricycles and quadbikes , go-karts , offroad buggies, auto rickshaws , mowers, and other utility vehicles, microcars , and even some superlight racing cars.

7. Honda CBR1000RR - Wikipedia

   en.wikipedia.org/wiki/Honda_CBR1000RR

   A higher compression ratio (from 11.9:1 to 12.3:1). The cam timing was revised. Intake valve lift was increased from 8.9 mm to 9.1 mm. Double springs for the intake valves were implemented. The engine RPM redline was increased from 11,250rpm to 12,200rpm. A larger rear sprocket was fitted (from 41 to 42 teeth). New exhaust system.

8. Motorcycle components - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_components

   A motorcycle fork is the portion of a motorcycle that holds the front wheel and allows one to steer. For handling, the front fork is the most critical part of a motorcycle. The combination of rake and trail determines how stable the motorcycle is. The 'fork' on a motorcycle consists of multiple components.

9. Derailleur - Wikipedia

   en.wikipedia.org/wiki/Derailleur

   Cage length, when combined with the pulley size, determines the capacity of a derailleur to take up chain slack. Cage length determines the total capacity of the derailleur, that is the size difference between the largest and smallest chainrings, and the size difference between the largest and smallest sprockets on the cogset added together. A ...