
PBR C45 Steel Sprocket - Ref. 504 42 C45
Standard replacement sprocket by PBR, designed for the final drive of roadsters equipped with a 520 pitch chain. With its 42 teeth and black finish, it discreetly fits under the swingarm while providing the expected mechanical performance on the road.
Ideal for riders looking for a robust and easy-to-install part during a transmission overhaul. Compatible with many modern roadsters — including YAMAHA R9 (2025 - 900 cc), KAWASAKI Z 500 SE (2025 - 500 cc), and SUZUKI GSX-R 1000 R ABS (2021 - 1000 cc) — this PBR sprocket allows you to refresh your drivetrain for improved acceleration precision and chain consistency.