Speed shift control system of a continuous transmission

Speed-change gear mounted outside a bicycle

Speed-changing device for a bicycle

Step motor positioning structure for belt-type continuously...

Stepless transmission device for a bicycle

Stepping motor cooling apparatus and method for belt-type...

Structure of transmission for bicycle

Support structure for a chain guide at a derailleur for a bicycl

System and method for controlling a bicycle front derailleur

System for adjusting tension of endless transmitting belt in int

System for adjusting the tension of the belt drive of a belt tra

System for adjusting the voltage of a wrapped component of...

System for controlling a continuously variable

System for powering rotating accessories of an internal combusti

System for transmitting motion between the shaft of an...