The SUMITOMO HTRZ provides superior handling at high speeds and excellent wet and dry traction. Its V shaped directional tread disperses water quickly thus providing excellent wet grip and traction. The Sumitomo HTRZ has four, deep, wide circumferential tread grooves with two more inner circumferential grooves that gives superb anti-hydro planning performance. With the large shoulder blocks it enhances steering response and overall dry grip. It features a triple tread radius that provides optimum performance footprints for maximum traction. It has center rib that enhances straight line stability and sidewall stiffeners that improves steering response and overall handling without sacrificing ride comfort.