eCustomRim Trailer Tire On Rim 5.30-12 530-12 5.30X12 12 in. 4 Lug Wheel Galvanized Spoke Tire Size: 530-12 Load Range: B Tire Weight Rating: 840 Lbs. Max. Pressure: 55 PSI Bolt Configuration: 4 Lug 4" Center - See diagram for fitment Pre Mounted Bias Ply Tire On Steel Wheel Center Bore: 2.83"