The R1 Concepts slotted brake rotor for Audi 100 Quattro (1989–1991) is a rear-right replacement finished in black. Supplied for the rear-right wheel position across the listed years, this slotted rotor aligns with the stated Quattro application and provides the slotted rotor style and finish described in the source.
R1 89-91 Audi 100 Quattro Rear Right Slotted Black Brake Rotor