eCustomRim Radial Trailer Tire On Rim ST175/80R13 Load C 4 Lug White Spoke Diameter: 13" - Max Pressure: 50 PSI 2.78" Center Bore - Tire Size: ST175/80R13 Radial - Load Range C Capacity: 1360# - Configuration: 4 Lug On 4" Center Style: White Spoke