GBrakes Wave 11.5 Standard Front Brake Rotor For Harley The patented Wave rotor is built from a proprietary mix of virgin high carbon 420 stainless steel, laser cut, double disc-parallel ground to assure perfect parallel flatness and heat treated. Features: Made from 420 High-carbon stainless Laser cut, never stamped Each rotor is individually heat-treated and double-disc parallel ground to assure perfect flatness Wave design allows for lower operating temperatures at extreme conditions Wave design is much lighter than a stock rotor