The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a replacement brake rotor intended for rear-left use on 2001–2019 Ford Focus models. This rotor is listed as the Geo-Carbon drilled-and-slotted option for that application; verify rear-left compatibility for your Focus year and choose the correct side or a matched pair to ensure proper braking balance when replacing rotors.
R1 01-19 Ford Focus Rear Left Drilled & Slotted Geo-Carbon Rotor