Chainless bicycle
# Chainless bicycle

A chainless bicycle 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
