The Alcon Pro‑System brake pad is specified for Brembo 4‑piston F40/50 caliper patterns in the Pro‑System range. It matches the pad shape and backing required for those particular 4‑piston F40/50 configurations. Buyers should verify their caliper model and piston arrangement before ordering; this pad is intended as the correct Pro‑System replacement where F40/50 Brembo outlines are used.
Alcon Pro-System Brembo 4 Piston F40/50