eCustomRim 2-Pack Trailer Tires On Rims ST175/80R13C 1360 Lb. 13X4.5 5-4.5 Modular White Tire Size: 175/80R13 Load Range: C Tire Weight Rating: 1360 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"