In a conventional automated transmission, the gears are pretty much gears -- interlocking, toothed wheels that assist transmit and modify rotary motion and torque. A mix of planetary gears results in all of different equipment ratios the transmission can develop, commonly four forward gears and just one reverse gear. https://gearbox-cvt21863.thechapblog.com/31590091/not-known-details-about-gearbox-cvt