Vortex 642ZK-51 Rear Sprocket 51 Tooth

The Vortex 642ZK-51 is a high-quality steel rear sprocket designed for superior durability and performance. This 51-tooth sprocket features zinc plating that provides excellent corrosion resistance while maintaining a clean, professional appearance.

Key Features:

• 51 teeth for optimized gearing performance
• Constructed from durable case-hardened steel for extended service life
• Zinc-plated finish resists corrosion and rust
• Precision-machined to exact tolerances for smooth operation
• CNC-machined from high-quality steel
• Computer-designed tooth profile ensures proper chain engagement

Vortex sprockets are manufactured using advanced heat-treating processes to maximize strength and wear resistance. The zinc coating provides additional protection in harsh riding conditions while the precision manufacturing ensures proper chain alignment and reduced wear on your drive system.