The Shinko Stealth Radial Tire is the company's best foot forward. If you need a performance-based street tire at an incredible price then try the Shinko, as they're building a reputation for great, price-point based, performance tires. The Stealth Radial has a slick / dimple design great for production racing, drag racing, or serious sport riding. Soft compound for rapid warm-up gives racing-slick-like performance that warms up quickly for immediate traction. W-speed rated (168 MPH). Aramid belted. DOT approved. Also available in ultra-soft compound - great for drag racing and track use. Note: Do NOT use ultra-soft version on a dynamometer. Tire Specifications: Load / speed index: 58W. Recommended rim (inches): 3.50. Overall diameter (inches): 23.62. Overall width (inches): 4.80.