Vortex 423ZR-45 Red Aluminum Rear Sprocket 45-Tooth 420 Pitch

The Vortex 423ZR-45 is a lightweight CAT5 aluminum racing rear sprocket featuring 45 teeth and designed for 420 pitch chains. This high-performance sprocket is 100% CNC manufactured in the USA from a specially formulated aluminum alloy that meets Vortex's exacting specifications for strength and durability.

Key Features:

• Red anodized finish with contrasting silver machine cuts for a distinctive racing appearance
• Lightweight CAT5 aluminum construction reduces rotating mass for improved acceleration
• Vortex patented tooth design with unique geometry that increases sprocket longevity
• Precision CNC machined in the USA for perfect concentricity and balance
• Lightening holes reduce weight while maintaining structural integrity
• 45-tooth configuration for optimal gearing on motorcycles and ATVs
• 420 pitch chain compatibility

Vortex Racing has earned its reputation through rigorous testing with professional race teams in Motocross, Supercross, Road Racing, and Flat Track competition. Each sprocket is manufactured to the tightest tolerances using the best quality materials in the industry, ensuring consistent performance and extended service life.