On road rating * * * * * * * * * Tarmac rating * * * Dirt gravel rating * Sand rating * Rock rating * Mud rating * Snow rating * Features High/Ultra-high performance. Designed for the latest generation of premium 4x4 vehicles. Combines class-leading on-road comfort with high levels of high-speed driving stability and aquaplaning resistance. Longitudinal centre ribs for high-speed driving stability. Tread blocks ideally sized for low road noise and even wear. Asymmetric tread pattern with extra block stiffness in the outer shoulder area for enhanced cornering power. Rapid water evacuation through four wide circumferential grooves and lateral drainage grooves