ATV rotors endure high mechanical and thermal loads while fully exposed to sand, mud and stonesRotors are manufactured from premium quality steel that is specially hardened and tempered for extremely low rotor wear and high-performance brakingRotors are precision laser cut, CNC drilled and surface machined for perfect fit and flatnessVenting hole pattern in contact surface is designed for cooling and disc cleaning to evacuate water and dirtDesigned for endurance racing under severe conditionsRotors take performance to the next level by optimizing feel and performance along with enhanced cooling capacitySold each