Vortex 427A-57 Aluminum Rear Sprocket 57-Tooth Silver

The Vortex 427A-57 is a lightweight aluminum rear sprocket featuring 57 teeth and a silver anodized finish. This CAT5 series sprocket is engineered for racers and performance enthusiasts who demand reduced rotating mass and improved acceleration without sacrificing durability.

Key Features:

• Lightweight aluminum construction significantly reduces rotating mass compared to OEM steel sprockets
• 100% CNC-machined in the USA for precision fitment and optimal performance
• Specially formulated aluminum alloy per Vortex specifications for strength and longevity
• Unique patented tooth design increases sprocket life and promotes smooth chain operation
• Silver anodized finish prevents corrosion and provides a clean, professional appearance
• 57-tooth configuration for customized gearing ratios

Vortex Racing sprockets are trusted by professional racing teams and track day riders worldwide. The reduction in rotating mass allows for quicker acceleration, improved throttle response, and enhanced handling characteristics. Each sprocket undergoes rigorous quality control to ensure it meets Vortex's exacting standards for performance and reliability.