The Alcon Pro-System 380 x 32 mm rotor is specified as a 52.5A Brembo 74/84 left-side replacement and is offered to match that rotor's dimensions. As a direct-replacement rotor, it maintains the correct size and mounting for applications calling for a 380x32mm left Brembo-style rotor, ensuring proper pad alignment and braking operation per the listed specification.
Alcon Pro-System 380x32mm 52.5A Brembo 74/84 Rotor - Left