The R1 Concepts drilled black brake rotor for 2021–2022 Ford F-150 2WD (rear left) is a replacement rotor finished in black with a drilled braking surface. Specified for the rear left position on those model years and drive configuration, it provides a like-for-like replacement when servicing the rear brakes and helps restore proper rotor fit and appearance.
R1 21-22 Ford F-150 2WD Rear Left Drilled Black Brake Rotor