The R1 Concepts slotted brake rotor for Audi 100 Quattro (1989–1991) is a rear-left replacement finished in black. Specified for the rear-left wheel position on those model years, this slotted rotor matches the documented Quattro fitment and provides the slotted rotor configuration and black finish noted in the description.
R1 89-91 Audi 100 Quattro Rear Left Slotted Black Brake Rotor