The R1 Concepts drilled black brake rotor for rear left Porsche 911 (2010–2021) is offered as the replacement rotor for that wheel position in the listed years. The description specifies a drilled rotor face and a black finish. Fitment is explicit to the rear left position on 2010–2021 Porsche 911 models so shoppers can confirm correct side and year matching.
R1 10-21 Porsche 911 Rear Left Drilled Black Brake Rotor