... material 18x 2.15; 17x2.15 Classic bikes, Vintage bikes, Street bikes Polishing or anodizing available One ... Extruded from high quality aluminum alloy, 6063, 7116 and 7075 as requestHeat treatment: Three stage heat treatment for ... 12", 14", 15", 16", 17", 18", 19", 21" and 23" diameters; 1.20, 1.40, 1.60, 1 ... : Used with OEM hubs, spokes& nipples and Prowel available Parts Classic and Vintage wheel rims