The pulley method inside of a CVT is made of two pulleys, 1 connected to the engine and another to the transmission. The two pulleys are linked by a belt or chain. The pulleys are formed like cones, and their diameters could be modified to alter the gear ratio. So https://gearbox-cvt04703.izrablog.com/33362642/a-simple-key-for-gearbox-cvt-unveiled