The DFC Geomet-coated rear brake rotor for 2022–2025 Rivian R1T is a hi-carbon alloy direct-fit replacement designed to restore rear braking performance on the pickup platform. Made using premium G3000/G11H18 iron castings with OE vane configuration for effective heat control, this rotor is precision mill-balanced, fine-turned to a 16 RMS finish for reliable pad break-in, and Geomet-coated for corrosion protection. DTV ≤0.10 mm; lateral runout ≤0.50 mm.
DFC 22-25 Rivian R1T Rear Hi-Carbon Alloy GEOMET Coated Rotor