parameter of driven gear:

z=18  m=2.25  α=22.5° center distance=110±0.02

the fix dimension about center:

rectangle spline:

number of key =6  width of key=5   outer diameter=Φ22   inner diameter=18

Chongqing Changxing Industry Co., Ltd. is one of the biggest professional manufacturers of motorcycle clutches in China. Our output is over 7 million sets per year, with sales value of 400 million RMB. Our products are applicable for scooters, street bikes, ATVs and dirt bikes, ranging from 50cc to 1300cc. We have an outstanding team who are excellent in development. Now our company can produce the most key parts of clutches by ourselves, such as driving gears and driven gears. We are now striking forward for international market. Our products enjoy a good reputation in overseas market, especially in Southeast Asia and Europe. As one of the leading manufacturers of motorcycle clutches in China, we will do our best to provide high quality products and good service to all clients and partners

CX-ATV 650 clutch