Engineered to handle the toughest tasks and trails. Up to 2x the life of the G-Force belt. 45% increased heat tolerance. Power for hauling heavy loads across aggressive terrain. Improved durability, crack- and wear-resistance. High tensile aramid cord inner layer maximizes acceleration, shock load resistance and extreme fatigue resistance. Aramid fiber-loaded ethylene elastomer layer provides maximum stiffness and heat resistance for higher loads, higher peak torque, less heat fade and less speed loss. Specially formulated adhesion gum extends belt service life. Trapezoidal top notch with rounded bottom cog delivers exceptional flexibility, heat dissipation and efficiency. Sold each.