If you want to turn your mountain bike into a road rocket, your tire has arrived. Sporting a tough 120-thread-per-inch nylon casing and Vittoria's Twin Tread technology, the Rubino Pro-Slick offers excellent cornering and rolling resistance. Plus, Vittoria's Puncture Resistant Belting under the tread offers super flat protection day in and day out, and top-notch durability over the long haul.