1.Advanced tread compound based on top quality grades of natural rubber. Delivers reuduced rolling resistance, optimum tear strength and high abrasion resistance. 2.Resilient center compound encapsulated by tread rubber of total pretection.Provides strong absorption for increased driver comfort and reduced truck maintenance. 3.Super base compound with high tensile creel beads designed to reduce heat build up and increase torque resistance for secure and safe fitment to the rim.Maxmum hardness insuring exceptional stability and lower deflection.