The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a direct-fit replacement finished with drilled holes and slots to help sustain pad contact and manage heat under frequent braking. It fits 2010–2019 Audi A3 rear-left applications and installs as the rear-left rotor, matching original equipment mounting for a like-for-like replacement on the listed A3 model years.
R1 10-19 Audi A3 Rear Left Drilled & Slotted Geo-Carbon Rotor