WM type 18 inch motorcycle racing rim WM,WR,MT,U,H,A,V, ... from 7116 T6 aluminum Welcome factory visiting ! WM type 18 inch motorcycle racing rim/Super motard color rimFeatures: 1) Strong frame ... welding seam marks 4) High corrosion Resistance/Anodized 5) Hardness: >80-90 HV (6063) , 100-115HV (7116) , 120-140HV (7075)About ...