The R1 Concepts drilled-and-slotted brake rotor for 2009–2019 Fiat 500 (USA/Canada) is identified as the rear-left drilled-and-slotted rotor in silver. The description explicitly names the rear-left position and applicable years. This rotor is provided as the single rear-left unit matching the drilled-and-slotted surface and silver finish described for those Fiat 500 fitments.
R1 2009-2019 Fiat 500 (USA/Canada) Rear Left Drilled & Slotted Silver Brake Rotor