The R1 Concepts drilled black brake rotor is a vehicle-specific replacement for Mazda MX-5 Miata applications from 2016–2021, intended for the rear left position. The listing notes a drilled braking surface and a black finish. This rotor is specified for the left rear side and labeled by model years to help shoppers match the correct unit for maintenance or repair.

R1 16-21 Mazda MX-5 Miata Rear Left Drilled Black Brake Rotor