4-Pack Trailer Tires Radial 205/75R15 ST205/75R15C Load Range C 1820# 50 PSI. Tire Size: 205/75R15. Aspect Ratio: 75. Section Width: 7.9. Load Range: C. Tire Weight Rating: 1820 Lbs.. Maximum Pressure: 50 PSI. Tire Composition: 6 Ply. Tread Depth: 7.8/32". Sidewall Description: BSW. Speed Index: M. Load Index: 101/97. Overall Diameter: 27.1". Internal Tire Type: Tubeless. Warranty: Six Years. Pack Quantity - 4-Pack