



PBR Standard Steel Sprocket 2137 - 525 (Manufacturer Ref: 2137 16 18NC)
Designed by PBR, this drive sprocket incorporates expertise from competition to provide a reliable and robust component intended for roadsters. Made from 18NCD5 steel alloy, it offers excellent resistance to corrosion and abrasion, and features precise machining for a consistent tooth profile and clean engagement with the chain and sprocket.
This sprocket is suitable as a replacement part for final drives equipped with a 525 chain and the same tooth specification. Its design aims to minimize wear and help reduce friction associated with the drive, optimizing longevity in road use.
Examples of compatible motorcycles (non-exhaustive): KAWASAKI VERSYS 1100 SE (2025), KAWASAKI VERSYS 1100 S (2025), KAWASAKI NINJA 1100 SX SE (2025).