The R1 Concepts drilled black brake rotor is a vehicle-specific replacement for Mazda MX-5 Miata applications from 2016–2021, intended for the front left position. The listing names a drilled braking surface and a black finish. The overview stresses the left-front orientation with the model years to make it clear which rotor is appropriate when sourcing a correct-fit replacement for service.
R1 16-21 Mazda MX-5 Miata Front Left Drilled Black Brake Rotor