Vortex 839CZR-40 Aluminum Rear Sprocket 40 Tooth

The Vortex 839CZR-40 is a lightweight aluminum rear sprocket designed for high-performance motorcycle applications. This 40-tooth sprocket combines race-proven engineering with durable construction to deliver optimal power transfer and reduced rotational mass.

Key Features:

• 100% CNC manufactured in the USA from aerospace-grade aluminum alloy
• Silver anodized finish prevents corrosion and maintains appearance
• Patented tooth design increases sprocket longevity compared to conventional sprockets
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Precision-machined for exact fitment and reliable performance
• 40 teeth for customizable gear ratio tuning

Vortex sprockets are trusted by professional racers and performance enthusiasts worldwide for their superior craftsmanship and ability to fine-tune acceleration and top-end speed. The lightweight aluminum construction reduces unsprung weight while maintaining the strength needed for demanding riding conditions.