Shafts are exactly what the gears are mounted on, and they are to blame for transferring electric power within the motor to the wheels. Shafts are generally made outside of steel or chrome-alloyed steel, and so they normally can be found in two diverse versions: input shafts and output shafts. https://filtergearbox85949.luwebs.com/34783433/the-ultimate-guide-to-filter-gearbox