The R1 Concepts Geo-Carbon drilled and slotted rotor is a front replacement rotor with a Geo-Carbon finish and a drilled-and-slotted braking surface. It fits 2017–2019 Audi A4 Quattro applications in the front right position and is intended for use when replacing worn or damaged front rotors on that vehicle.
R1 17-19 Audi A4 Quattro Front Right Geo-Carbon Rotor