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The R1 Concepts Geo-Carbon drilled-and-slotted rotor for the rear right of 2012–2020 BMW 428i Gran Coupe is made for that specific right-rear position and model years. The drilled and slotted face paired with Geo-Carbon treatment assists in heat dispersal and pad cleanliness to maintain consistent braking feel. This overview uses the explicit rear-right 428i Gran Coupe fitment from the source.
R1 12-20 BMW 428I Gran Coupe Rear Right Drilled & Slotted Geo-Carbon Rotor
