The R1 Concepts slotted black brake rotor for 2013–2019 Cadillac XTS, rear-left position, is a slotted replacement rotor finished in black. Intended for the rear-left wheel on supported XTS models, it provides a slotted braking surface to assist pad cleaning and maintain consistent rotor-to-pad contact in that location.
R1 13-19 Cadillac XTS Rear Left Slotted Black Brake Rotor