The R1 Concepts drilled black brake rotor for the rear right of 1998–2015 Mazda 6 is a vehicle-specific rotor intended for that wheel position. The product listing specifies a drilled face and black finish for the rear-right application, identifying this part for brake service or replacement on the noted Mazda 6 model years when restoring the braking surface at that corner.
R1 06-15 Mazda MX-5 Miata Rear Right Drilled Black Brake Rotor