The gears in a car or truck transmission box are metallic discs of various sizes with various ridges and variety of enamel. They may be in all auto gearboxes, fastened around the shafts (other than the most crucial shaft), and will slide in either course. This auto gearbox is popular https://manuelamubj.laowaiblog.com/33156069/what-does-komponen-gearbox-auto-mean