





PBR Standard Steel Sprocket 2129 - 525 (Manufacturer part number: 2129 16 18NC)
Designed by PBR, a specialist in competition-derived drivetrains, this rear sprocket is aimed at riders who demand reliability from their transmission. Made from high-quality 18NCD5 steel alloy, it offers good resistance to corrosion and abrasion while benefiting from a strict manufacturing process rooted in track experience.
Ideal for roadsters and motorcycles requiring a 16-tooth sprocket with a 525 pitch, this component integrates into a transmission where robustness and longevity are sought. A standard replacement part, it is suitable for regular maintenance operations and reassembly after chain disassembly.
Note: Check compatibility with your model and existing setup before ordering. Useful reference for certain models such as BENELLI LEONCINO 800 (2025) and TRE-K 899 (2017) — confirm the manufacturer's references for the motorcycle.