Wave® Brake Rotor Brake Rotor Fixed Wave Rear, Kymco WAVE® design allows for lower operating temperatures at extreme conditions Each rotor is individually heat-treated and double-disc parallel ground to ensure perfect flatness Laser cut, never stamped Much lighter than a stock rotor Features Cryo-Tech® treatment which cryogenically transforms the steel to a significantly harder and more stable phase, resulting in improved durability, wear resistance, and long-term performance