Wild CeramicSpeed Driven 13-speed drivetrain concept shifts with no derailleur

What if you wanted to completely rethink a bicycle drivetrain to have less drag, less weight, and take up less space? That’s what CeramicSpeed has done with their new Driven drivetrain concept, relying on a pair of roller pinions on a carbon driveshaft mated to a completely flat cassette. CeramicSpeed’s tests show that a typical … Continue reading Wild CeramicSpeed Driven 13-speed drivetrain concept shifts with no derailleur