Principal shaft: It's also generally known as an output shaft. It provides necessary torque to the automobile. It's ridges and teeth so the gears can go smoothly. The consistently variable transmission (CVT) is unconventional in that it doesn’t utilize a number of cogs for gears like a standard gearbox. Alternatively, https://gearbox-auto03570.izrablog.com/34299161/gearbox-auto-for-dummies