Belt-driven bicycle
Videos
A belt-driven bicycle is a chainless bicycle that uses a flexible belt, typically of synchronous toothed design, instead of a chain to transmit power from the pedals to the drive wheel.
Gates bike belt drive system
Belt-drive
Belt-drive single-speed rear hub on a Trek District
Belt-drive crankset on a Trek District
Gearbox bicycle
Videos
A gearbox bicycle is a bicycle that uses a gearbox to convert torque and rotational speed from the power source, usually the rider's legs, to what is desired at the drive wheel. The gearbox is usually
Nicolai gearbox mountain bike
Pinion P1.18 gearbox installed in a bicycle frame
Instinctiv Modern full suspension carbon gearbox mountain bike
Pinion P1.18 gearbox interior