Vortex 839AZB-37 Aluminum Rear Sprocket 37 Tooth Blue

The Vortex 839AZB-37 is a high-performance aluminum rear sprocket featuring 37 teeth and a distinctive blue anodized finish. Manufactured from lightweight 7075-T6 aluminum alloy, this sprocket delivers exceptional strength while reducing rotational mass compared to steel sprockets.

Key Features:

• 37-tooth configuration for optimized gearing
• Constructed from aerospace-grade 7075-T6 aluminum alloy
• Blue anodized finish for corrosion resistance and style
• CNC-machined for precise tooth profile and perfect chain engagement
• Self-cleaning mud groove design helps prevent debris buildup
• Lightweight design reduces unsprung weight for improved handling
• Hardened teeth for extended service life

Vortex sprockets are engineered to meet or exceed OEM specifications and are a popular choice among sport riders and racers. The aluminum construction offers significant weight savings over stock steel sprockets while maintaining durability for street and track use.