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GiroDisc 380x28mm slotted outer rings with 10 pin holes and a 54mm annulus, engineered for Brembo and StopTech big brake kits. These slotted rings provide matching bolt hole and annulus dimensions for compatible BBK assemblies and allow gases and debris an exit path, supporting consistent braking performance when installed as part of a compatible rotor build.
GiroDisc 380x28mm 10 Pin Holes 54mm Annulus Slotted Rings for Brembo & StopTech BBKs
