Materials: Steel strip: 45Mn, Pin：30CrMnTi

Surface treatment: Such as galvanized, chrome plating, gold -plated, shot blasting etc.

Technical requirements: including tensile strength, wear resistance, etc. The motorcycle engine chain is optimized design. The chain board is treated with equivalent warmth and special hardening on the surface of the axis. The product has the characteristics of high fatigue strength and high anti -wear performance.