PBR Steel Standard 2273 - 520 Gearbox output pinionRef : PBR00751A / 1077626001

PBR Standard Steel Sprocket 2273 - 520 (Manufacturer Ref: 2273 13 18NC)

Designed by PBR, this front sprocket of type 2273 is aimed at riders looking for a reliable transmission part for roadsters. Machined from an 18NCD5 steel alloy, it combines mechanical strength with treatment to limit corrosion and abrasion on the teeth.

• Material: 18NCD5 steel
• Number of teeth: 13
• Chain pitch: 520
• Version: standard
• Type: 2273

Manufacturing follows strict processes at PBR, with attention paid to the finishing of the teeth to ensure a clean engagement with the chain. This sprocket is suitable for road use and replaces the original reference for 520 pitch transmissions when the number of teeth matches.

Examples of compatibility (check exact years and references before installation): Kawasaki Ninja ZX-4RR 2025, Kawasaki Ninja ZX-4R 2025, Kawasaki Z 400 2024.

An essential wear part of the transmission, this standard PBR sprocket is suitable for riders wishing to maintain the original pulley geometry while benefiting from a component derived from the brand's competitive experience.