material: 20CrMnTi shape: bevel, cylindrical We can offer you all kinds of gears(spur gear,bevel gear,sprial gear,internal gear,sprocket,chain wheel)transmission,reducer,shaft and sleeve etc. They are of good quality, small noise and good performance of transimission!Specifications: 1) Suitable for various light vehicle transmissions 2) Adopts optimal design and shot treatment to decrease noise ...