Vortex 840AZR-37 CAT5 Aluminum Rear Sprocket 37 Tooth

The Vortex 840AZR-37 CAT5 aluminum rear sprocket delivers premium performance and durability for sport and street motorcycles. This 37-tooth sprocket is precision-machined from 7075-T6 aircraft-grade aluminum alloy, offering exceptional strength while reducing rotating mass compared to steel sprockets.

Key Features:

• 37 teeth for optimized gearing performance
• CAT5 construction using 7075-T6 aluminum for maximum strength-to-weight ratio
• CNC-machined for precise tolerances and perfect fitment
• Hard-anodized finish in blue for corrosion resistance and long-lasting appearance
• Self-cleaning design helps shed mud and debris
• Drilled lightening holes reduce weight without sacrificing strength
• 520 pitch chain compatibility

Vortex sprockets are engineered to exacting specifications and tested extensively to ensure reliable performance. The hard-anodized coating provides superior wear resistance while the lightweight aluminum construction improves acceleration and reduces unsprung weight. Each sprocket undergoes strict quality control to meet Vortex's high standards for precision and durability.