eCustomRim 2-Pack TowMax Trailer Tires On Rims ST185/80R13C 13X4.5 5-4.5 Spoke Galvanized Tire Size: 185/80R13 Load Range: C Tire Weight Rating: 1480 Lbs. Max. Pressure: 50 PSI Bolt Configuration: 5 Lug 4.5" Center - See diagram for fitment Pre Mounted Radial Tire On Steel Wheel Center Bore: 3.19"