The R1 Concepts drilled black brake rotor is a vehicle-specific replacement for Mazda CX-30 applications from 2019–2022, intended for the rear left position. The description identifies a drilled braking surface and a black finish. This overview highlights left-rear orientation and supported years to help owners and technicians pick the correct rotor when performing brake repairs or replacing the factory rear-left rotor on the CX-30.
R1 19-22 Mazda CX-30 Rear Left Drilled Black Brake Rotor