eCustomRim Trailer Tire On Rim ST225/75D15 225/75 D 15 in. LRD 6 Bolt Galvanized Spoke Tire Size: 225/75D15 Load Range: D Tire Weight Rating: 2540 Lbs. Max. Pressure: 65 PSI Bolt Configuration: 5 Lug 4.5" Center - See diagram for fitment Pre Mounted Bias Ply Tire On Steel Wheel Center Bore: 3.19"