Standard gearboxes typically have two sets of gears: input and output. the input & the output. The enter gears are preset over the countershaft, earning them one units. It drives the individual gears on the main shaft, which rotate freely on the bearings. A gearbox in an auto is https://gearbox70233.full-design.com/the-smart-trick-of-gearbox-that-no-one-is-discussing-76202353