Final Drive
The system whereby the transmission output shaft drives the rear wheel of a motorcycle or ATV. Chains and sprockets are most often used on sport and off-road motorcycles. Shafts and gears are most often used on touring motorcycles and four-wheel drive ATVs. Belts and pulleys are used on many cruiser type motorcycles. A few experimental motorcycles have used hydraulic fluid to drive the rear wheel.
[...] the crankshaft to the clutch, the clutch to the transmission and finally the transmission to the final drive (chain, shaft or belt) that spins the [...]