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: 77H. Recommended rim (inches): 3.00 / 3.50. Overall diameter (inches): 25.71. Overall width (inches): 5.51. Tread depth (inches): 11/32. Maximum load (pounds)/ PSI: 908 @ 40 PSI. Construction: Bias.