Vortex 642AZK-39 CAT5 Aluminum Rear Sprocket 39 Tooth

The Vortex 642AZK-39 is a CAT5 aluminum rear sprocket featuring 39 teeth and a black hard-coat finish. Manufactured from aerospace-grade aluminum, this sprocket provides optimal power transfer while reducing rotational mass for improved throttle response and acceleration.

Key Features:

• CAT5 series aluminum construction with black hard-coat anodized finish
• 39-tooth configuration for customized gear ratios
• Aerospace-grade aluminum for lightweight performance
• Precision CNC-machined tooth profiles for maximum chain engagement
• Drilled design to reduce rotating mass
• Black finish for enhanced durability and corrosion resistance

Vortex Racing manufactures top-quality motorcycle components with focus on the highest levels of quality possible, ensuring each component is made with the best materials and tightest tolerances. This rear sprocket is designed to work seamlessly with high-performance chains for racing and street applications, offering riders the ability to fine-tune gear ratios for improved acceleration or top-end speed depending on their needs.