
PBR Steel C45 Standard Sprocket 270 - 520 — Manufacturer reference: 270 42 C45
Designed by PBR with experience gained from competition, this rear sprocket made of C45 steel is aimed at motocross and roadster riders looking for a robust and easy-to-maintain part. Its black finish and standard profile make it a reliable replacement for drivetrains equipped with a 520 pitch chain.
The 270 42 C45 sprocket is suitable for setups requiring a 42-tooth in 520. It caters to off-road practices as well as roadster use where durability and ease of installation are paramount. Examples of compatible motorcycles: YAMAHA YZ 450 F (2026), FANTIC XX 125 (2022), GAS GAS EC 300 F (2015).
Choose this sprocket if you are looking for a quality OEM wear part that is easy to pair with a 520 chain kit. PBR remains a benchmark for sprockets and crowns, stemming from proven expertise in competition.