Vortex 338CZB-42 CAT5 Rear Sprocket 42 Tooth Blue Anodized

The Vortex 338CZB-42 is a high-performance CAT5 rear sprocket engineered for serious riders who demand both strength and lightweight performance. This 42-tooth sprocket features Vortex's advanced CAT5 (Computer Aided Technology) construction, which uses 7075-T6 aerospace-grade aluminum alloy for exceptional strength-to-weight ratio.

Key Features:

• 42 teeth for optimal gearing performance
• CAT5 construction with 7075-T6 aircraft-grade aluminum
• Blue anodized finish for corrosion resistance and distinctive appearance
• CNC-machined for precise fitment and balance
• Self-cleaning mud grooves to prevent debris buildup
• Lightening holes reduce rotational mass without sacrificing strength
• Compatible with 520 pitch chains

Vortex sprockets are designed and manufactured to exacting tolerances, ensuring smooth operation, extended chain life, and reliable performance in demanding conditions. The hard-anodized finish provides superior wear resistance compared to standard aluminum sprockets while maintaining a weight advantage over steel.