... New alloy and welding technique to assure quality WM 1.20 Motorcycle MX rim/Motorbike wheel rim/Street bike ... 16", 17", 18", 19", 21" and 23"diameters; 1.20, 1.40, 1.60, 1.85, 2.15, 2.50, 3.00, 3.50 ... , 4.25, 5.00 widthsSpokes holes:28,32,36 ,40 ,60 ... 440×45 2.50-16-0.5 1.20×172.25-1730.5+1.0 Φ460×45 2.50-17- ... 0.5 1.20×182.25-1830.5+1.0 Φ480×45 2.50-18 - ...