... certificate Materail:aluminum(6061,6063,7116,7075) WM 1.40 Motorcycle alloy rims / racing motorcycle rim /alloy ... 10", 12", 14", 15", 16", 17", 18", 19", 21" diameters: 1.20, 1.40, 1.60, 1.85, 2 ... you soon ! Specificationsuitable tyre Mark the trame Volume1.40×102.50-1036+1.0 Φ280×52 2. ... .5 1.40×162.50-16 36+1.0Φ430×52 2.75-16-0.5 1.40×172.50-17 ... 36+1.0Φ455×52 2.75-17 -0.5 1.40 ...