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