Vortex 641A-39 Aluminum Rear Sprocket 39-Tooth 530-Pitch Silver

The Vortex 641A-39 is a high-performance aluminum rear sprocket designed for sportbike and motorcycle applications requiring 530-pitch chain. This lightweight racing sprocket features 39 teeth and is precision CNC-manufactured in the USA to meet Vortex's exacting specifications.

Key Features:

• 39-tooth configuration for 530-pitch chain applications
• 100% CNC-manufactured aluminum construction for precise tolerances
• Lightweight design reduces rotating mass and improves acceleration
• Specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish resists corrosion
• Vortex patented tooth design increases sprocket longevity
• Unique tooth profile provides smooth, quiet operation
• Made in the USA to racing quality standards

Vortex aluminum rear sprockets are the racer's choice for reducing unsprung weight while maintaining durability. The precision manufacturing process ensures perfect concentricity for smoother power delivery and extended chain life. Ideal for riders seeking performance advantages through weight reduction without compromising strength.