Pre-Mounted Trailer Tire & Wheel. Trailer Tire & Rim Bias Ply 225/75D15 Load D 6 Lug On 5.5" Silver Modular 15". Tire Size: 225/75D15. Aspect Ratio: 75. Section Width: 225. Load Range: D. Tire Weight Rating: 2540 Lbs.. Maximum Pressure: 65 PSI. Tire Composition: 8 Ply. Tread Depth: 8.4/32". Sidewall Description: BSW. Speed Index: M. Load Index: 113/108. Internal Tire Type: Tubeless. Rim Size: 15" X 6". Bolt Configuration: 6 Lug 5.5" Center. Offset: 0". Center Bore: 4.25". Rim Construction: Steel. Rim Style: Modular. Rim Color: Silver. Wheel Hub Diameter: 7.40". Lug Value Hole: 0.45". Hub Stud Size/Nut Requirement: 1/2"-20 60 Degree Cone Nut. Torque Specifications: 90-120 Ft/Lbs.. Warranty: Two Years. Pack Quantity - 1 Unit