In a traditional automatic transmission, the gears are virtually gears -- interlocking, toothed wheels that assist transmit and modify rotary motion and torque. A mix of planetary gears makes all of the different gear ratios that the transmission can make, commonly 4 forward gears and a person reverse gear. https://gearbox-cvt89997.blogvivi.com/32932049/the-5-second-trick-for-gearbox-cvt