The Alpha Bike is an interesting prototype out of the University of Pennsylvania featuring a fully internal chainless drive that can be switched between fixed gear drive and freewheel electronically.

It seems that every day, a new e-bike design is introduced. This time, we'll dive deeper into a ride that's more motorcycle than bicycle. I'm talking about the Chainless Altitude e-bike, a two-wheeler ...

CeramicSpeed stole headlines last year with an extraordinary rethinking of the bicycle drivetrain; the chainless, ultra-low friction Driven system. Now, in collaboration with Specialized, the Danish ...

It is not often we see a complete redesign of a drivetrain, innovation is usually approached within the standard chain and derailleur configuration that has existed since the birth of geared bikes.

CeramicSpeed developed its new DrivEn system in conjunction with the University of Colorado’s mechanical engineering department. The innovative crankset does away with the traditional chain drive, ...

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There's still hope for the futuristic chainless drivetrain concept, which has become the first project of newly formed CeramicSpeed offshoot company, Driven Technologies Inc When you purchase through ...

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