Wave® Brake Rotor Brake Rotor Fixed Wave Front, Piaggio, Outside Diameter 240mm Inside Diameter 125,5mm Thickness 4mm Pitch 140,5mm 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