... Manufactured from 7116 T6 aluminum Welcome factory visiting ! WM type 18 inch motorcycle racing rim/Super motard color rimFeatures: 1 ... welding seam marks 4) High corrosion Resistance/Anodized 5) Hardness: >80-90 HV (6063) , 100-115HV (7116) , 120-140HV ( ... Motorcycle aluminum rims and Braking System Manufacturer in China, Carbon type , CUB type, Classic and Vintage bike, racing bike , super motard ...