Vortex 422ZK-40 Aluminum Rear Sprocket 40-Tooth Black

The Vortex 422ZK-40 is a precision-engineered aluminum rear sprocket designed for high-performance motorcycle applications. This 40-tooth sprocket features Vortex's proprietary CAT5 construction, combining lightweight 7075-T6 billet aluminum with their patented tooth profile design for extended service life and optimal power transfer.

Key Features:

• 40-tooth configuration for custom gearing ratios
• 520 chain pitch compatibility
• Black hardcoat PTFE finish bonds to aluminum for enhanced durability and reduced friction
• 100% CNC machined with signature saber tooth grooves
• Strategic lightening holes reduce rotating mass for improved acceleration
• Manufactured to tight tolerances ensuring concentricity and smooth operation
• Race-tested design proven by professional teams worldwide

Vortex Racing has manufactured premium motorcycle racing components for over 15 years, focusing on absolute quality for motocross, supercross, road racing, and track applications. Each component is precision-crafted and tested with direct feedback from championship-winning race teams.