Engineered and tested with Harley-Davidson® to provide maximum performance. The D402 is the approved Harley-Davidson® touring tire. Built with a three-ply polyester casing with two fiberglass belts, the D402 helps provide stability for touring riding. Computer-optimized tread profile with offset center groove improves rider confidence over rain grooves and steel-grated bridges, while helping to reduce cupping for enhanced wear. Tubeless. Made in U.S.A. Tire Specifications: Load / speed index: 54H. Recommended rim (inches): 2.15. Overall diameter (inches): 27.20. Overall width (inches): 3.25. Tread depth (inches): 5/32. Maximum load (pounds) / PSI: 467 @ 40 PSI. Construction: Bias.