These are generally conical pulleys with variable diameters. The motor powers the enter pulley although the output pulley sends electric power towards the wheels by means of either a driveshaft or CV shafts. You can listen to this if you’re driving; as an alternative to the motor making an audible https://felixwmbnx.blogdeazar.com/32982038/the-definitive-guide-to-gearbox-cvt