
PBR Steel C45 Standard Sprocket 270 - 520 — Ref. 270 49 C45
Strong and understated, this PBR sprocket is aimed at motocross riders and roadsters looking for a robust and reliable transmission part. Machined from C45 steel, it benefits from a strict manufacturing process inspired by the brand's competition experience: regular tooth profile, controlled heat treatment, and durable black finish to limit wear in real conditions. Ideal for replacing your original sprocket without modification, it fits 520 chain setups.
Designed to withstand intensive use, the sprocket offers good resistance to abrasion and corrosion while maintaining precise tooth engagement for smooth and quiet chain operation.
Common compatibility examples: YAMAHA YZ 450 F (2026), FANTIC XX 125 (2022), GAS GAS EC 300 F (2015). Installation and maintenance should follow the manufacturer's recommendations to ensure longevity and performance of the transmission.