Material 20cpm
Sutracehardness: 78??83 HRA(Rockwell) Strengthern wear resistance
Core hardness: 25??30 HRC using advanced technology Of Vacuum nel appearance hardness

Chrome plated layer: 3045um, reaching wear resistance strength
Productfeatures: The product i5 based On international sandards and in accordance with Japanese technical requirements in the assembling of engine for motorcycle.

It is passed inspection of Tianjin Research lnstitute for Internaf-combussion Engine and is an auxiliary product for Dacangjiang, Yibao and Shanghai Yizu.