The R1 Concepts drilled-and-slotted black brake rotor for the rear left of 2012–2021 Tesla Model X is a replacement rotor specified for that position and model years. It carries the drilled-and-slotted surface and black finish noted in the listing, offering a matching look for brake maintenance or rotor replacement. The clear vehicle fitment supports correct selection for rear-left Model X applications.
R1 12-21 Tesla Model X Rear Left Drilled & Slotted Black Brake Rotor