Vortex 838CZK-40 CAT5 Rear Sprocket Kit 40 Tooth

The Vortex 838CZK-40 CAT5 Rear Sprocket Kit delivers premium performance and durability for serious riders. This 40-tooth rear sprocket combines advanced engineering with race-proven materials to provide exceptional power transfer and extended service life.

Key Features:

• CAT5 construction using high-grade 7075-T6 aluminum alloy for optimal strength-to-weight ratio
• 40-tooth configuration allows for customized gearing to match your riding style and performance needs
• Precision CNC-machined for perfect concentricity and smooth operation
• Hard-anodized finish resists wear and corrosion while reducing weight
• Steel lock nuts and retention system included for secure installation
• Compatible with standard 520, 525, and 530 pitch chains depending on application

Vortex sprockets are engineered to exacting tolerances to ensure optimal chain engagement, reduced wear, and maximum power delivery. The CAT5 series represents Vortex's premium sprocket line, offering the perfect balance of lightweight performance and long-lasting durability for street, track, and racing applications.