The R1 Concepts drilled black brake rotor is a vehicle-specific replacement for Mazda 3 applications from 2017–2021, intended for the rear left position. The listing specifies a drilled braking surface and a black finish. The overview emphasizes the left-rear orientation and supported model years so buyers can match the correct rotor for brake repairs or to replace a worn factory unit on the listed Mazda 3.
R1 17-21 Mazda 3 Rear Left Drilled Black Brake Rotor