In a standard automatic transmission, the gears are actually gears -- interlocking, toothed wheels that assist transmit and modify rotary motion and torque. A combination of planetary gears creates all of the various gear ratios which the transmission can deliver, normally four forward gears and one reverse equipment. A CVT https://codyzbavq.blogoscience.com/40450283/not-known-facts-about-gearbox-cvt