... DOT certificate Materail:aluminum(6061,6063,7116,7075) WM 1.40 Motorcycle alloy rims / racing motorcycle rim /alloy wheelsMOTORCYCLE ... 14", 15", 16", 17", 18", 19", 21" diameters: 1.20, 1.40, 1.60, 1.85, 2.15, 2.50 widthsSpokes holes:28,32 ... ,36 ,40 ,60,72 holesSpokes:7G,8G,9G,10G,11G,12GModel:WM , WR , MT , U, H, A , V ... 0.5 1.40×122.50-1236+1.0 Φ335×52 2.75-12-0.5 1.40×142.50-1436+1.0 Φ400 ...