Pre-Mounted Trailer Tires & Wheels. 2-Pack Trailer Tires & Rims Bias Ply 570-8 Load C 4-4" White Conventional 8". Tire Size: 570-8. Aspect Ratio: 8. Section Width: 118. Load Range: C. Tire Weight Rating: 910 Lbs.. Maximum Pressure: 75 PSI. Tire Composition: 6 Ply. Tread Depth: 4.5/32". Sidewall Description: BSW. Speed Index: M. Load Index: 77/M. Internal Tire Type: Tubeless. Rim Size: 8" X 3.75". Bolt Configuration: 4 Lug 4" Center. Offset: 0". Center Bore: 2.83". Rim Construction: Steel. Rim Style: Conventional. Rim Color: White. 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