The R1 Concepts drilled-and-slotted black brake rotor for 1966–1992 Bertone X1/9 is specified for left-side applications identified in the source and features a drilled-and-slotted braking surface with a black finish. This overview uses the explicit Bertone X1/9 year range and orientation to present clear fitment language for customers seeking a matching left-side rotor for that classic application.
R1 66-92 Bertone X-1/9 Rear Left Front Left Drilled & Slotted Black Brake Rotor