Michelin X ONE XDN - Engineered to replace duals Weight savings of approximately 371 lb. per tractor, when compared to the MICHELIN XDN2 tire Multiple tread compounds to keep the casing cooler and optimize retreadability Infini-Coil™ Technology incorporates 1/4 mile of steel cable to stabilize the footprint and minimize casing growth Extra wide tread width for excellent stability and long wearlife Open shoulder design helps provide exceptional traction on dry, wet and snow covered surfaces Approved for use on EPA SmartWaySM certified equipment and meets California's CARB requirements.