Pre-Mounted Trailer Tires & Wheels. 2-Pack Trailer Tires & Rims Bias Ply 175/80D13 Load C 4-4" White Spoke 13". Tire Size: 175/80D13. Aspect Ratio: 80. Section Width: 175. Load Range: C. Tire Weight Rating: 1360 Lbs.. Maximum Pressure: 50 PSI. Tire Composition: 6 Ply. Tread Depth: 7.8/32". Sidewall Description: BSW. Speed Index: M. Load Index: 91/87. Internal Tire Type: Tubeless. Rim Size: 13" X 4.5". Bolt Configuration: 4 Lug 4" Center. Offset: 0". Center Bore: 2.65". Rim Construction: Steel. Rim Style: Spoke. Rim Color: White. Wheel Hub Diameter: 5.50". Lug Value Hole: 0.45". Hub Stud Size/Nut Requirement: 1/2"-20 60 Degree Cone Nut. Torque Specifications: 50-75 Ft/Lbs.. Warranty: Two Years. Pack Quantity - 2-Pack