RIM SUNRINGLE 20 406x18 CR18 36 SL/NMSWItem Specifications: Size, 20in, Color, Silver, Weight, 330g, Width OD, 22.5, Side, NMSW, Drill, 36, ERD, 396, Wall, Dbl, Valve, SV, Model, CR-18, Profile, 15.5, Tire Compatibility, Tube Only, ISO, 406, Width ID, 17.5, Brand, Sun Ringle,.