Engineered and tested with Harley-Davidson® to provide maximum performance. 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. Sidewall: Whitewall. Recommended rim size (inches): N/A. Overall diameter (inches): N/A. Overall width (inches): N/A. Full tread depth (inches): N/A. Maximum load (pounds) / PSI: N/A. Construction: Bias.