The R1 Concepts drilled black brake rotor is a vehicle-specific replacement for Mazda CX-9 applications from 2016–2021, intended for the rear left position. The description specifies a drilled braking surface and a black finish. The copy highlights the left-rear orientation and year range so owners and technicians can match the proper rotor to the listed CX-9 models when replacing worn or damaged rotors.

R1 16-21 Mazda CX-9 Rear Left Drilled Black Brake Rotor