Vortex 775AZB-51 Aluminum Rear Sprocket 51 Tooth Blue

The Vortex 775AZB-51 is a high-performance aluminum rear sprocket designed for serious riders who demand precision and durability. This 51-tooth sprocket features Vortex's premium construction with CNC-machined teeth for perfect chain engagement and extended service life.

Key Features:

• 51-tooth configuration for optimized gearing ratios
• Lightweight 7075-T6 aluminum construction reduces unsprung weight
• Blue anodized finish provides corrosion resistance and distinctive appearance
• CNC-machined from solid aluminum for precision tooth profile
• Self-cleaning mud groove design prevents debris buildup
• Drilled weight reduction holes maintain strength while minimizing mass
• Compatible with standard 520 chain pitch applications

Vortex sprockets are manufactured to exacting tolerances to ensure smooth power transfer and maximum chain life. The blue anodized finish not only looks great but provides a hard, durable surface that resists wear and corrosion. Each sprocket undergoes rigorous quality control to meet Vortex's high performance standards.