Vortex 410ZB-51 Aluminum Rear Sprocket 420 Pitch 51-Tooth

The Vortex 410ZB-51 is a high-performance aluminum rear sprocket engineered for motorcycles, ATVs, and mini bikes using 420 pitch chain. This 51-tooth sprocket is precision CNC-manufactured to deliver exceptional concentricity and durability while significantly reducing rotating mass compared to steel alternatives.

Key Features:

• 51-tooth configuration for optimized gearing
• 420 pitch specification for compatibility with standard 420 chains
• Lightweight aluminum construction reduces unsprung weight
• Patented Vortex tooth design increases sprocket longevity
• Precision CNC machined to tight tolerances for smooth operation
• Protective finish helps prevent corrosion and oxidation
• Lightening holes strategically placed to minimize rotating mass

Vortex Racing sprockets are manufactured to exacting standards, ensuring proper chain engagement and extended service life. The unique tooth profile featured in Vortex sprockets reduces chain wear while maintaining optimal power transfer. Ideal for riders seeking performance upgrades or replacement parts for youth bikes, pit bikes, and smaller displacement machines equipped with 420 pitch drive systems.