The system guiding guide gearboxes is complex, involving interlocking enamel and shifting mechanisms. A guide transmission needs the motive force to manually decide on the gears[6] by running a equipment adhere and clutch (which is usually a foot pedal for automobiles or simply a hand lever for bikes). Epicyclic Gearbox: https://reidthpty.bloggerchest.com/34066815/not-known-facts-about-automobile-gearbox