aerodynamic – new. technology for the bicycle

The start

A C\clean, light weight, aerodynamic, ratio dense, sequential shifting bicycle transmission.

Three fast women

The beauty, the simplicity, the utility of the bicycle inspires us to do our best.

Artist concept This drivetrain eliminates the front and rear derailleur, the idler and cassette along with other associated parts. Using a bicycle chain without a derailleur yet still being able to change gears has been limited to internal hub type gear boxes. All these types of transmissions and any other for that matter, are notContinue reading “The impossible drivetrain”