- Large Shoulder Block - Provides strength and stiffness for outstanding handling and braking while driving - Four Wide Circumference Grooves - Superb water channeling, improve wet traction as well as to reduce hydroplaning - Solid Center Rib - Delivers straight line stability to improve handling - Interlocking Tread Block - Enhances directional stability and cornering performance - Hd Silica Technology - Improves fuel efficiency and wet traction