The pulley system in a very CVT contains two pulleys, one particular linked to the engine and another towards the transmission. The 2 pulleys are related by a belt or chain. The pulleys are shaped like cones, as well as their diameters may be altered to alter the gear ratio. https://gearbox-cvt20638.digitollblog.com/33987074/gearbox-cvt-no-further-a-mystery