Gearbox system adapting on velo -car. The angular gea r box. Vélo-car. User. Vélo-car. Cost. Functional analysis:. FC1. FP1. Gearbox. User. FC5. Gearbox. Materials. FC2. FC4. Octopus diagram. Horned beast. FC6. FC3. Allow a user to change speed without risking derailing .
The angular gearbox.
Allow a user to change speed without risking derailing.