PBR Steel Standard 577 - 428 Output sprocketRef : PBR00956A / 1077761002

PBR Standard Steel Sprocket 577 - 428 (Manufacturer Ref: 577 15 18NC)

A reliable replacement for 428 transmissions, this PBR sprocket draws on competition experience to offer a robust and precisely machined part. Designed for Cross and Roadster environments, it is aimed at riders looking for a durable drive component suitable for both off-road and urban conditions.

• Material: steel (high-quality 18NCD5 alloy)
• Number of teeth: 15
• Chain pitch: 428
• Type / Version: 577 — standard
• Strict manufacturing finish and control for longevity and resistance to corrosion and abrasion

The choice of 18NCD5 steel and the manufacturing processes applied by PBR minimize wear and contribute to precise engagement with your 428 chain. Ideal for a transmission overhaul or mechanical preparation, this sprocket maintains original dimensions for direct fitting according to compatible applications.

Compatible with the following models (please check the exact compatibility on your motorcycle specification):

• YAMAHA YZ 85 LW BIG WHEELS 19/16 (2026 - 85 cc)
• KAWASAKI Z 125 (2024 - 125 cc)
• MZ 125 SM (2008 - 125 cc)