Vortex 491AZB-54 CAT5 Aluminum Rear Sprocket 520 Pitch 54-Tooth Black Anodized

The Vortex 491AZB-54 is a CAT5 lightweight aluminum rear sprocket featuring a 520 pitch chain interface and 54 teeth, finished in a black anodized coating with contrasting silver machine cuts. Designed for performance street and track riders who demand precise power delivery and reduced drivetrain weight, this sprocket is 100% CNC manufactured in the USA to exacting Vortex standards.

Key Features:

• Material: Specially formulated CAT5 aluminum alloy per Vortex specifications — lightweight yet durable
• CNC Machined: 100% CNC manufactured in the USA for precise concentricity and consistent fitment
• Lightening Holes: Strategically placed cutouts reduce rotating mass for improved throttle response and acceleration
• Black Anodized Finish: Hard anodized black coating with contrasting silver machined accents for a premium appearance and added corrosion resistance
• Chain Pitch: 520 pitch — compatible with standard 520 motorcycle drive chains
• Tooth Count: 54 teeth — ideal for riders tuning gear ratios for increased low-end torque and acceleration
• Patented Tooth Design: Vortex's unique patented tooth profile maximizes sprocket longevity and chain engagement
• Sprocket Position: Rear

The Vortex 491AZB-54 is part of Vortex Racing's trusted lineup of performance drivetrain components, trusted by racers and enthusiasts worldwide. Replacing a heavy OEM steel sprocket with this aluminum unit reduces unsprung and rotating mass, contributing to crisper acceleration and improved overall handling.