The R1 Concepts Geo-Carbon drilled-and-slotted rotor is a replacement brake rotor that uses a Geo-Carbon finish with drilled and slotted machining to assist heat dispersion and consistent pad engagement. It’s specified for 2021–2025 Ford E-Super Duty rear-right applications and supplied as the wheel-position match for that heavy-duty model and side.
R1 21-25 Ford E-Super Duty Rear Right Drilled & Slotted Geo-Carbon Rotor