Vortex 423ZB-45 Aluminum Rear Sprocket 45-Tooth 420 Pitch Blue

The Vortex 423ZB-45 is a lightweight aluminum racing rear sprocket featuring 45 teeth and 420 chain pitch. This high-performance sprocket is designed to reduce rotating mass compared to OEM steel sprockets, improving acceleration, deceleration, and handling response on sport bikes and racing motorcycles.

Key Features:

• 45-tooth configuration for optimized gearing ratios
• 420 pitch chain compatibility
• Blue anodized finish with silver machined accents for corrosion resistance and style
• 100% CNC manufactured in the USA from specially formulated aluminum alloy
• Patented Vortex tooth design increases sprocket longevity
• Lightweight construction reduces unsprung weight for improved performance
• Precision machined to exact specifications for concentricity and durability

Vortex Racing sprockets are engineered to meet the demands of professional race teams and enthusiasts alike. The color anodized finish excludes the sweeps, mud grooves, and teeth, creating a distinctive appearance with bright color and contrasting silver highlights while maintaining the performance characteristics riders depend on.