... varieties, including tubeless steel wheels, heavy-duty truck wheels, OTR wheels and agricultural wheels they are very popular worldwide ... . Steel (trailer,4x4 off road) wheel rims:13x4,13x4.5,13x5,14x5,14x5.5, 14x6 ... 18x9.Finished are: white, black, silver, galvanization & chrome. Model: 8-spoke,5 spoke, directional, modular, ... D-window or customed.Truck wheel:17.5x6,17.5x6.75,22.5x7.5,22.5x8 ...