A shaft-driven bicycle is a bicycle that uses a drive shaft instead of a chain to transmit power from the pedals to the wheel. Shaft drives were introduced
At that point, CeramicSpeed had progressed it from a rideable singlespeed sample to a system built into big-brand bikes that could shift five
Ceramic-bearing drive shaft is twice as efficient as Dura-Ace, company claims.
A shaft drivetrain has a lower efficiency than a chain or belt. The biggest energy losses are simply due to the change in rotation direction – CYCLINGABOUT
Instead of using a gear-and-sprocket mechanism, a chainless drive shaft consists of two sets of gears. These gears (which are usually housed in CYCLINGABOUT
Ceramic-bearing drive shaft is twice as efficient as Dura-Ace, company claims. where the driveside chainstay is now on a standard bike.
CeramicSpeed 'Driven' Bike Driveshaft. Driven, the new drivetrain concept from CeramicSpeed, won the prestigious Eurobike Award this year