The R1 Concepts slotted brake rotor for 2021 Ford Mustang Mach‑E (front left) is a black replacement rotor specified for the listed wheel application. As a vehicle-specific service part, the slotted contact face is intended to help clear pad residue and moisture from the pad interface and to restore consistent pad contact and dependable braking after replacing a worn or damaged factory rotor.
R1 21-21 Ford Mustang Mach-E Front Left Slotted Black Brake Rotor