CeramicSpeed Introduces a Chainless Bike Drivetrain

Bike part manufacturer CeramicSpeed has developed a drivetrain concept that uses an advanced drive shaft that does away with chains and derailleurs. Partnering with the University of Colorado's Mechanical Engineering Department, the team was able to create a design that halves the friction of traditional chain and derailleur setup.

It uses a carbon driveshaft that turns two sets of bearing pinions that shifts torque effortlessly from the front ring through the drivetrain and onto the flat...



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