Excellent wear resistance, application of polymolecularity compound allows for an economic tire but with a longer service life. Optimizing belt structure combination reduce the interminable shear force good ride comfort feeling and excellent durability. Decoupling grooves provides resistance to uneven tread wear in line haul applications. Stone ejectors in the tread groove help protect the casing from stone penetration for long casing life. Heavy duty four steel belt construction provides both durability and long casing life for excellent retreadability.