The R1 Concepts Geo-Carbon drilled and slotted rotor is a direct-fit replacement rotor featuring a Geo-Carbon surface and drilled-and-slotted machining to assist pad contact and debris egress. This unit fits front left and rear left positions on Blue Bird Bus TC1000 models for 1989–2022, intended as a compatible replacement for those disc brake applications.
R1 89-22 Blue Bird Bus Tc1000 Front Left/Rear Left Drilled & Slotted Geo-Carbon Rotor