Racing Zero has frequently been praised as super stiff thanks to the aluminium spokes, super reactive thanks to its lightweight rim as well as boasting razor-sharp precision during riding, in addition to being Sturdy and comfortable, light and stable during the tensest moments of a race. What else is there to add? Nothing, except that this wheel for racing bicycles can be improved with a new, lighter, more reactive and stiffer rim.Plasma Electrolytic Oxidation Treatment is a completely new technology that combines a very engaging total black look with high range specs, including a special braking surface that creates new standards for braking on aluminium road bike wheels. The Plasma Electrolytic Oxidation process gives the braking surface very special characteristics regarding hardness and wear resistance