Variable speed, multiple component pulley

Variable speed-type bicycle chain ring assembly

Variable sprocket IVT machine

Variable tension pulley system

Variable transmission

Variable transmission

Variable transmission apparatus for bicycles

Variable transmission gear, particularly for bicycles

Variable transmission pulley

Variable transmission with an integral shifter

Variable V-belt

Variable-ratio transmission

Variable-ratio transmissions, separately and in bicycles

Variable-ratio transmissions, separately and in bicycles

Variable-speed belt drive having toothed flyweights

Variable-speed control system for a transmission

Variable-speed drive unit

Variable-speed driving device

Variable-speed V-belt drive for vehicle

Variable-transmission-ratio mechanical drive with V-belt and exp