Vortex CK6413 HFRS Hyper Fast 520 Conversion Chain and Sprocket Kit

The Vortex CK6413 is a complete HFRS (Hyper Fast Racing Street) chain and sprocket conversion kit designed for 520 pitch applications. This comprehensive kit includes everything needed for a complete drivetrain upgrade in a single package.

Key Features:

• 520 conversion kit reduces rotating mass for improved acceleration
• Laser-cut steel rear sprocket for durability and precision
• High-carbon steel, nickel-plated front sprocket with drilled holes to reduce weight
• Premium 520 SX3 X-ring chain for extended wear life
• Modified gearing: 16-tooth front sprocket, 44-tooth rear sprocket
• Includes rivet-type master link for secure installation
• Pre-sized for specific applications—no chain cutting required

This kit is engineered to enhance performance by reducing rotational mass compared to stock components while maintaining excellent durability for street use. The SX3 chain features an advanced sealing system that provides up to 7 times longer wear life compared to standard O-ring chains. All components are bike-specific and ready to install without modification.