Braking SK2 Series Brake Rotor WK090R After five years of successful results and winning seven world titles, Braking launches the second generation of their SK SK2 has a directional aluminum carrier, which is 9% lighter than the previous one, a new profile for its outer ring thanks to cooperating with the strongest teams in the world, and a directional seat with a 14in angle Provide FAST reaction and the best lever feel during racing conditions Precise direction of rotation designed to permit better ventilation capability, maintaining the coolest temperature possible during aggressive use Sold each