The R1 Concepts drilled brake rotor for 2012–2021 Subaru Crosstrek (rear left) clearly states the product and its wheel location. Offered with a black finish and drilled face, this rotor matches the listed side's mounting and appearance. It functions as a replacement rotor for the specified application; confirm model year and left/right fitment before purchasing.

R1 12-21 Subaru Crosstrek Rear Left Drilled Black Brake Rotor