Vortex 245AZR-51 Aluminum Rear Sprocket 51-Tooth Red

The Vortex 245AZR-51 is a lightweight CAT5 aluminum racing rear sprocket featuring 51 teeth and a distinctive red anodized finish. Engineered for performance-oriented riders, this sprocket delivers reduced rotating mass for improved acceleration, deceleration, and handling responsiveness.

Key Features:

• 100% CNC manufactured in the USA from specially formulated aluminum alloy
• CAT5 design with red anodized finish for corrosion resistance and visual appeal
• Unique tooth profile engineered to increase sprocket longevity
• Lightweight construction reduces unsprung weight for better performance
• Precision machined to ensure concentricity and durability
• Vortex patented sprocket design for superior strength-to-weight ratio

This aluminum sprocket offers a significant weight advantage over OEM steel sprockets, allowing more power to reach the pavement. The precision CNC machining ensures perfect concentricity for smooth operation and extended chain life.