



PBR Standard Steel Sprocket 585 - 520 (Manufacturer part number: 585 15 18NC) — a front sprocket designed for the transmission of demanding roadsters. Drawing from experience gained in competition, this PBR sprocket emphasizes high-quality steel and a strict manufacturing process to provide a reliable part suitable for mounting with a 520 pitch chain.
This front sprocket is aimed at riders looking for a robust part for transmission: precise tooth design for smooth chain engagement, reduced friction thanks to a controlled finish, and optimal durability for road use. Ideal for installation during maintenance or as a replacement due to wear.
Examples of compatible models (to be verified according to configuration and year): KAWASAKI NINJA ZX-6R (2025 - 636 cc), YAMAHA XTZ 750 SUPERTENERE (1995 - 750 cc), KAWASAKI NINJA ZX-6 R ABS (ZX636G) (2021 - 636 cc).