Dunlop Harley Davidson D402 Front Tire (130/70B-18) Engineered and tested with Harley-Davidson&#174; to provide maximum performance. The D402 is the approved Harley-Davidson&#174; 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.