In a normal CVT, There's an enter pulley that's connected to the motor crankshaft via a torque converter (or clutch pack) and an output pulley that sends power for the wheels. A belt (or chain) connects the two pulleys, which often can change their diameters to deliver an infinite range https://messiahyegge.blogoxo.com/34525722/5-simple-statements-about-d-cvt-explained