245/70R17.5 Michelin XTA2 Commercial Truck Tire The XTA2 from Michelin Tire is a radial trailer tire for commercial trailers used in regional and line hauling applications. The Michelin XTA2 tire was built with a low rolling resistance tread compound for improved fuel economy. Built with see-through circumferential grooves the XTA2 features efficient water evacuation for good wet braking and traction throughout the life of the tire.