Vortex CKG6439 GFRA Chain and Sprocket Kit - V3 520

The Vortex CKG6439 V3 GFRA (Go Fast) Chain and Sprocket Kit is a complete 520 conversion drivetrain upgrade designed to enhance acceleration and reduce rotating mass. This kit features modified gearing with one tooth down in front and two teeth up in the rear, delivering quicker throttle response and improved performance.

Key Features:

• Complete 520 conversion kit includes front sprocket, rear sprocket, chain, and rivet-type master link
• GFRA (Go Fast) gearing configuration for increased acceleration
• Vortex Performance Links chain made in Japan to premium quality specifications
• SX3 or RX3 series chain with advanced sealing system for extended wear life
• Induction hardened steel front sprocket with weight-reducing drilled holes
• Choice of laser-cut steel or F5 aluminum hardcoat rear sprocket in black finish
• Ready to install with no chain cutting required
• Bike-specific application for precise fit and performance

Vortex V3 kits are engineered to provide a cost-effective alternative to OEM replacement parts while delivering superior performance. The 520 conversion reduces overall drivetrain weight, improving power delivery and handling characteristics. All chains feature dual or triple pocket sealing systems that provide up to 7-10 times longer wear life compared to standard O-ring chains.