eCustomRim Radial Trailer Tire On Rim ST225/75R15 Load D 6 Lug Silver Modular Tire Size: 225/75R15 Load Range: D Tire Weight Rating: 2540 Lbs. Max. Pressure: 65 PSI Bolt Configuration: 6 Lug 5.5" Center - See diagram for fitment Pre Mounted Radial Tire On Steel Wheel Center Bore: 4.25"