Vortex 775AZK-48 Rear Sprocket Aluminum Sprockets - 520 48-Tooth Black

The Vortex 775AZK-48 is a high-performance CAT5 aluminum rear sprocket designed for 520-pitch chain applications. This 48-tooth sprocket features Vortex's patent-pending design with precision CNC machining and a durable black anodized finish that delivers both style and longevity.

Key Features:

• 520 pitch, 48 teeth configuration
• Constructed from specially formulated 7075-T6 aircraft-grade aluminum alloy
• 100% CNC machined for precise tolerances and perfect chain alignment
• Saber tooth grooves with unique tooth profile increases sprocket life
• Black anodized finish resists corrosion and wear
• Lightweight design reduces rotating mass for improved acceleration and handling
• Significantly lighter than OEM steel sprockets

Vortex CAT5 sprockets are engineered for riders who demand race-proven performance. The specialized aluminum alloy and advanced tooth design provide exceptional durability while maintaining the weight savings critical for performance applications. Each sprocket undergoes rigorous CNC machining to ensure consistent quality and optimal chain wear characteristics.