thumb|right|Hildick's chainless bicycle gear (1898)
Chainless bicycle or acatène is a bicycle that transmits power to the driven wheel through a mechanism other than a metal chain.
Examples
- Directly driven bicycle (see penny-farthing and unicycle)
- Shaft-driven bicycle
- Belt-driven bicycle
- Hydraulic bicycle (and pneumatic bicycle)
- Hybrid vehicle (see series hybrid bicycle)
- Some rowed bikes use a cable or a linkage.
- Stringbike the pulley-driven Hungarian designed bike
See also
- Bicycle drivetrain systems
- Outline of cycling