Linked from
The 10 pages that link to Bicycle drivetrain, each with the reason it gives.
Bicycle gearingNarrower topic: Gearing is one part of this full power-transmission system.
CyclingBroader topic: It is the mechanical pathway that turns pedaling into forward motion.
Chain driveBroader topic: A bicycle uses a chain and selectable sprockets to propel the rear wheel.
Mountain bikeRelated: A broad gear range helps riders climb steep trails and manage varied terrain.
DerailleurNarrower topic: The derailleur is one adjustable part of this power-transmission system.
Tandem bicycleNarrower topic: A tandem extends this system so multiple riders can contribute power.