Vortex 641A-50 Aluminum Rear Sprocket 50-Tooth Silver

The Vortex 641A-50 is a lightweight standard aluminum racing sprocket featuring 50 teeth and a silver anodized finish. This high-performance rear sprocket is 100 percent CNC manufactured in the USA from a specially formulated alloy designed to Vortex specifications.

Key Features:

• Lightweight aluminum construction reduces rotational mass for improved acceleration
• 100% CNC machined in the USA for precise tolerances and perfect fitment
• Silver anodized finish prevents corrosion and provides long-lasting durability
• Unique patented tooth design increases sprocket longevity
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• 50-tooth configuration for custom gearing options

Vortex sprockets are made from aerospace-grade aluminum, providing optimal power transfer and reduced rotational mass. With focus on the highest levels of quality possible, Vortex ensures each component is made with the best materials and tightest tolerances. Vortex is Chosen by Champions, as evidenced by riders including Chad Reed, Josh Hayes, and Ryan Dungey.