



PBR Standard Steel Sprocket 423 - 520
Designed for motocross, this PBR sprocket incorporates the competitive expertise of the brand. Machined from 18NCD5 alloy steel, it offers a robust construction suitable for the demands of transmission on challenging terrain.
The characteristics of the alloy ensure good resistance to corrosion and abrasion, while the strict manufacturing process aims to limit machining defects and reduce friction at the gear level. As a standard engine sprocket, it allows for direct replacement on assemblies designed for type 423 and pitch 520.
Compatibility (examples):
To maintain the longevity of the transmission, check the condition of the chain and the rear sprocket during replacement and adhere to the manufacturer's torque specifications during installation.