Optimized mono-Spiral Belt construction (MSB) provides dynamic handling response with a light, linear feel and superb line holding ability, Tread pattern with deco groove is optimized to ensure confidence-inspiring wet weather performance with a bold look, The T31 replaces the very successful T30 EVO as the next evolution in Bridgestone’s long line of sport-touring tires, (W)-rated for speeds of 168+ mph, Tubeless (TL), Blackwall