Wikipedia / Chainless bicycle
Wikipedia / Chainless bicycle
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)
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