Vortex 617ZB-40 CAT5 Aluminum Rear Sprocket 40T Blue

The Vortex 617ZB-40 is a high-performance CAT5 aluminum rear sprocket featuring 40 teeth and a vibrant blue anodized finish. Designed for sport bikes and racing applications, this sprocket delivers optimal power transfer while significantly reducing rotational mass compared to steel sprockets.

Key Features:

• 40-tooth configuration for customizable gearing ratios
• CNC-machined from 7075-T6 aerospace-grade aluminum alloy
• CAT5 (Category 5) design with Vortex's patented tooth profile for extended longevity
• Blue hard anodized finish provides corrosion resistance and distinctive styling
• Precision-manufactured to the tightest tolerances for perfect concentricity
• Lightweight construction improves acceleration and reduces unsprung weight
• 525 pitch chain compatible

Vortex Racing sprockets are trusted by professional race teams worldwide and deliver championship-proven performance. Each sprocket features the company's unique tooth design that increases sprocket life and provides smoother chain engagement. Made in the USA by motorcycle enthusiasts for riders who demand the absolute best in quality and performance.