CG125 motorcycle exhaust pipe screw and nut set, the size and thread of the screw and nut match the CG125 exhaust pipe installation hole, directly replace the original fixed parts, no need to modify the exhaust pipe/cylinder head interface; Stainless steel + copper plating process, sun and rain resistance, anti-high temperature corrosion, suitable for the high temperature working environment of the exhaust pipe, long-term use is not easy to rust stuck; High thread precision, close cooperation, after installation can be stable fixed exhaust pipe, avoid the screw loosening caused by vibration in driving, exhaust pipe abnormal noise; The material has good high temperature resistance, can withstand the high temperature when the exhaust pipe works, and will not affect the tightening effect due to high temperature deformation.