Vortex 491AZK-54 Aluminum Rear Sprocket 525 Pitch 54-Tooth Black

The Vortex 491AZK-54 is a 54-tooth, 525-pitch aluminum rear sprocket finished in anodized black with contrasting silver machined accents. Designed for serious street and track riders, this sprocket delivers a meaningful reduction in rotating mass compared to steel alternatives, helping translate more engine output directly to the rear wheel.

Key Features:

• Lightweight aluminum construction — reduces rotating mass and improves throttle response
• 100% CNC manufactured in the USA — precision machined to exacting tolerances
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Vortex patented tooth design — engineered to increase sprocket longevity and reduce chain wear
• Anodized black finish with contrasting silver machined cuts for a distinctive appearance
• 525 pitch chain compatibility
• 54 teeth — higher tooth count for increased low-end torque and acceleration

Vortex Racing sprockets are a proven choice for both competitive racing and performance street riding. The 491AZK-54 is part of Vortex's extensive aluminum rear sprocket lineup, offering riders the ability to fine-tune their final drive gearing without sacrificing durability or reliability.