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GiroDisc slotted rear rings are replacement friction rings for 2020 and newer BMW M3 and M4 (G80/G82/G83) models with carbon ceramic brakes. Intended as service parts for two-piece rotor assemblies, these slotted rings provide the braking surface geometry required by those specific carbon ceramic brake setups and are sized for the listed M3/M4 applications.
GiroDisc 2020+ BMW M3/M4 (G80/G82/G83 w/Carbon Ceramic Brakes) Slotted Rear Rings
