Vortex 249AZB-42 CAT5 Aluminum Rear Sprocket 530 Pitch 42 Tooth Blue

The Vortex 249AZB-42 CAT5 Aluminum Rear Sprocket combines race-proven performance with stunning aesthetics. This 42-tooth rear sprocket features Vortex's patented CAT5 design with precision CNC-machined construction and a vibrant blue anodized finish that delivers both durability and aggressive styling.

Key Features:

• 530 pitch chain compatibility with 42 teeth for optimal gearing
• 7075-T6 aerospace-grade aluminum alloy construction per Vortex specifications
• 100% CNC-manufactured in the USA for precise tolerances
• Blue anodized finish provides corrosion resistance and distinctive appearance
• Strategic lightening holes reduce rotating mass for improved acceleration
• Unique tooth profile design increases sprocket longevity
• Significantly lighter than OEM steel sprockets for enhanced handling

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, with their sprockets tested and proven by professional race teams worldwide in Motocross, Supercross, Road Racing, and Flat Track competition. Each sprocket is engineered to achieve maximum strength while minimizing weight, allowing more power to reach the pavement.