Vortex 425ZK-41 CAT5 Aluminum Rear Sprocket 41-Tooth 425-Pitch

The Vortex 425ZK-41 is a premium CAT5 anodized aluminum rear sprocket designed for 425 pitch chain applications. This lightweight performance sprocket features 41 teeth and is precision CNC-machined from aerospace-grade aluminum to deliver optimal power transfer while reducing rotational mass.

Key Features:

• 41-tooth configuration for 425 pitch chain systems
• CAT5 hard anodizing process for enhanced durability and corrosion resistance
• 100% CNC-machined construction ensures precise tolerances and perfect alignment
• Vortex signature design with cupped down face for weight reduction
• Aerospace-grade F5 aluminum construction for strength-to-weight optimization
• Hardened tooth profile extends sprocket life and reduces chain wear
• Made in the USA by Vortex Racing, trusted by professional race teams worldwide

Vortex CAT5 sprockets are engineered for riders who demand professional-grade performance and longevity. The advanced anodizing process creates a harder surface than standard aluminum sprockets, significantly improving wear resistance while maintaining the weight-saving benefits that make aluminum sprockets popular in racing and high-performance applications.