Sliding Gear 2 Speed used for the dual gear of the gearbox of light three wheel vehicles. The material is 20CrMnTiH3/8620H. Process: precision forging, isothermal normalizing, carburizing, quenching and honing, gear accuracy level 7-9, transmission noise lower than 80dB, high strength, stable transmission, no jamming during gear shifting, convenient gear shifting, packaging and transportation: suitable for sea transportation, can be customized according to customers