PBR Steel Standard 2091 - 525 Gearbox output pinionRef : PBR00651A / 1077555003

PBR Steel Standard Sprocket 2091 - 525 (Manufacturer Ref: 2091 14 18NC)

Designed by PBR, leveraging its experience in competition, this 2091 sprocket offers a robust solution for the final drive of roadsters equipped with a 525 pitch chain. Made from high-quality steel (18NCD5 alloy), it focuses on mechanical strength and wear resistance for a reliable replacement of the original part.

• Material: steel (18NCD5 alloy)
• Number of teeth: 14
• Chain pitch: 525
• Type/version: 2091 — standard version
• Machining and strict quality control for precise tooth geometry

This sprocket mounts directly as a replacement on compatible 525/2091 transmissions; it is particularly suitable for modern roadsters. Its alloy is resistant to corrosion and abrasion, providing longevity suited to daily use and sporty rides. Ideal for riders replacing their worn sprocket or maintaining their final drive.

Common compatibilities (examples): YAMAHA R9 (2025 - 900 cc), YAMAHA MT-09 Y-AMT (2025 - 850 cc), YAMAHA MT-09 SP (2025 - 850 cc). Check the reference and chain pitch before installation.