Vortex 641ZK-46 Aluminum Rear Sprocket 46-Tooth 520 Pitch

The Vortex 641ZK-46 is a high-performance aluminum rear sprocket designed for sport and racing motorcycles. This 46-tooth, 520-pitch sprocket is part of Vortex's renowned CAT5 series, engineered to deliver exceptional strength while reducing unsprung weight for improved handling and acceleration.

Key Features:

• CNC machined from aerospace-grade 7075-T6 aluminum for superior strength-to-weight ratio
• 46 teeth for 520-pitch chain applications
• Proprietary saber tooth groove design increases sprocket longevity and chain engagement
• CAT5 anodized finish provides corrosion resistance and distinctive appearance
• 100% CNC manufactured to tight tolerances for precision fit
• Specially formulated alloy per Vortex specifications
• Lightweight construction reduces rotating mass for improved performance

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, with products tested by professional race teams worldwide. Each sprocket is built to the tightest tolerances with the best quality materials in the industry, ensuring reliability whether on the street or at the track.