Michelin LTX A/T2 All-Season Radial Tire - 275/55R20 113T The optimized contact patch shape, provided by MaxTouch Construction, helps deliver extremely long tire life under the toughest conditions. Tough off-road endurance capability of the this tire helps it last longer on gravel. MICHELIN Comfort Control Technology uses computer-optimized design and precision manufacturing to offer greatly reduced vibrations and road noise.