Vortex 528AZR-51 CAT5 Aluminum Rear Sprocket 520 Pitch 51 Tooth Red

The Vortex 528AZR-51 is a precision-engineered CAT5 aluminum rear sprocket designed for high-performance motorcycle applications. This 51-tooth sprocket features 520 pitch and is CNC-machined from aerospace-grade 7075-T6 aluminum for exceptional strength while significantly reducing rotating mass compared to OEM steel sprockets.

Key Features:

• CNC-machined from 7075-T6 aluminum for superior strength-to-weight ratio
• Red anodized finish with silver machined highlights for distinctive appearance
• 520 chain pitch with 51 teeth for optimized gearing
• Vortex signature tooth design for precise chain engagement and release
• CAT5 anodizing process applied before machining for durable, eye-catching finish
• Lightweight construction reduces unsprung weight for improved acceleration and handling
• Trusted by professional race teams worldwide

Vortex Racing has been manufacturing premium motorcycle drivetrain components for over 15 years, with all products engineered to the tightest tolerances and tested by top professional racing teams. The reduced weight of aluminum sprockets compared to steel provides measurable improvements in throttle response and overall performance.