Specialized's Roubaix Road Tubeless Tire is built for riders in search of speed, comfort and handling. Its dual-compound tread provides low rolling resistance and outstanding cornering grip, while the large-volume, 180-tpi casing offers a smooth, comfortable ride. And, the Roubaix features Specialized's BlackBelt technology to ward off flats. Run it tubeless for the ultimate in performance, handling, and flat resistance.