US Patent 6,386,340.
Galfer’s wave rotors were first introduced to the Motorcycle Industry for Trial bikes and then Snowmobile machines, soon to follow were Sport Bikes and ATV’s as well as Off Road applications. All Galfer Wave rotors are laser cut and made of a unique high carbon 420 stainless steel material that has been pre-heat treated and parallel double disc grounded to assure perfect flatness and the most efficient contact surface between pad and rotor.