Vortex 491ZB-43 Black 43-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 491ZB-43 is a 43-tooth, 520-pitch black anodized aluminum rear sprocket built for street and track performance. Part of Vortex Racing's trusted 491-series carrier lineup, this sprocket delivers a winning combination of lightweight construction and long-term durability.

Key Features:

• 43 teeth, 520 chain pitch — direct-fit replacement for compatible 520-pitch drivetrain setups
• Black anodized finish — corrosion-resistant color anodizing for a clean, aggressive look with contrasting silver machine-cut highlights
• Lightweight aluminum construction — specially formulated alloy per Vortex specifications reduces rotating mass for improved acceleration and response
• 100% CNC manufactured in the USA — precision machined to exacting tolerances for reliable fitment and performance
• Vortex patented tooth design — unique saber-tooth groove profile increases sprocket longevity and chain engagement
• CAT5 anodizing process — enhanced surface hardness for extended wear life

Vortex Racing has been engineering top-quality motorcycle drivetrain components since 1995, with products developed and tested alongside professional race teams worldwide. The 491ZB-43 rear sprocket is an ideal upgrade or OEM replacement for riders seeking a performance-proven 520-pitch sprocket with a durable black finish.