about the Sumitomo Tires HTR Z

High-rigidity steel belts for durability and car stability. Hard apex strengthens sidewall for exceptional cornering stiffness. With a reputation for quality, service, and leading-edge technology, Sumitomo Tire is a premium tire brand offering a unique mix of quality and value. Sumitomo is the premium export brand of Sumitomo Rubber Industries, Ltd., one of the largest tire manufactures in the world.