Even after bikes were built using chains, other power
transmission modes were tried in early years and continue to be tried
today. The chain is just so efficient its hard to beat. An early
alternative to the chain and gears utilized a drive shaft. Some added
gears to the drive shaft to form a transmission like the early cars
were using. This one from 1897 even had a shift lever and a real
transmission and a drive shaft that operated with bevel gears to the
rear wheel. Does anyone know if this was ever actually manufactured?
Another drive shaft bike is from 1891. Derailleur development is discussed here. Tullio Campagnolo's first derailleur, the Cambio Corsa is here. The bicycle technology category is here.
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