... DOT certificate Materail:aluminum(6061,6063,7116,7075) WM 1.40 Motorcycle alloy rims / racing motorcycle rim / ... 16", 17", 18", 19", 21" diameters: 1.20, 1.40, 1.60, 1.85, 2.15, 2.50 widthsSpokes holes:28,32 ... 50-1236+1.0 Φ335×52 2.75-12-0.5 1.40×142.50-1436+1.0 Φ400×52 2 ... .75-14 -0.5 1.40×162.50-16 36+1. ... 0Φ430×52 2.75-16-0.5 1 ...