Vortex 144AZB-51 Aluminum Rear Sprocket 51 Tooth Blue

The Vortex 144AZB-51 is a lightweight aluminum rear sprocket featuring 51 teeth and a blue anodized finish. This high-performance racing sprocket is precision CNC-machined in the USA from specially formulated aerospace-grade aluminum alloy to exact specifications, ensuring superior concentricity and durability.

Key Features:

• 51-tooth aluminum construction for reduced rotating mass
• Blue anodized finish prevents corrosion and adds distinctive styling
• 100% CNC manufactured in the USA from aerospace-grade alloy
• Strategic lightening holes reduce weight while maintaining strength
• Unique patented tooth design increases sprocket longevity
• Precision machined for perfect concentricity and balance

Vortex aluminum sprockets are significantly lighter than OEM steel sprockets, reducing rotating mass for improved acceleration, handling, and overall performance. The blue anodized coating provides excellent corrosion resistance while delivering a premium appearance. Each sprocket undergoes rigorous quality control to ensure it meets Vortex's exacting standards for racing and high-performance street applications.