Vittoria Rubino Pro Slick Road Tire Kevlar Endura 3D Compound has superior tread life, great grip on all roads and lower rolling resistance - everything you need during high mileage training and racing Twin Thread design places the hard tread in the center where the wear occurs and uses a softer compound on the shoulders for even more grip 120 TPI casing gives you a fast and supple ride Intrepid PRB material under the tread gives the Vittoria Rubino Pro Slick road tire maximum puncture protection