Couple brand brake discs EBC Pro-lite series. The discs are made of stainless steel, carbon flange is treated aluminum and hardened, the whole is fixed with solid axial pawls. Pro-lite discs offer a braking resistor of 18% greater than the original disk while retaining characteristics and geometries that make them perfectly interchangeable with the original without any modification. Produced and certified ISO 9001. 'can also order just the hard left or right.