In a traditional automatic transmission, the gears are virtually gears -- interlocking, toothed wheels that help transmit and modify rotary motion and torque. A mix of planetary gears results in all of the various gear ratios that the transmission can make, typically four forward gears and just one reverse equipment. https://lanetwwtq.therainblog.com/32838231/the-definitive-guide-to-cvt-toyota