Relier Pairs mechanical gearbox Version en ligne aprender las partes de la caja mecanica en ingles par cristhian david diaz arevalo 1 crankcase gearbox 2 bearings 3 input shaft 4 gearbox housing 5 change selector 6 differential crow 7 synchronizing rings 8 change selector insurance springs 9 differential 10 reverse 11 primary tree 12 secondary tree 13 crazy pinion 14 attack pinion 15 thrust bearing 16 output shaft 17 gear lever 18 gearbox packaging