In a standard automatic transmission, the gears are literally gears -- interlocking, toothed wheels that assistance transmit and modify rotary movement and torque. A combination of planetary gears creates all of the different gear ratios that the transmission can generate, generally 4 ahead gears and a person reverse equipment. https://andersonywuqo.estate-blog.com/31619197/the-definitive-guide-to-gearbox-cvt