Vortex CK5259 Chain and Sprocket Kit with Hardcoat Aluminum Rear Sprocket - 520RV3

The Vortex CK5259 is a complete chain and sprocket kit engineered for performance motorcycle applications. This ready-to-install kit requires no chain cutting and ships with everything needed for a direct bolt-on installation.

The included Vortex 520RV3 chain is manufactured in Japan to rigorous quality standards. The SV3 Series chain features a dual pocket sealing system that delivers up to 7 times longer wear life compared to standard O-ring chains, making it an exceptional upgrade over stock drivetrain components.

Kit Specifications:

• Chain Type: 520RV3
• Chain Length: 110 links
• Front Sprocket: 16 teeth (one tooth down from OE)
• Rear Sprocket: 42 teeth (stock)
• OE Gearing: 17/42 | Vortex Kit Gearing: 16/42
• Rear Sprocket Material: Hardcoat aluminum

Key Features:

• Ready to install — no chain cutting required
• SV3 dual pocket sealing system for extended chain life
• Japanese-manufactured chain for superior quality and durability
• Hardcoat aluminum rear sprocket for lightweight strength
• Revised gear ratio for improved acceleration over stock gearing
• GFRA (Go Fast) 520 conversion design for popular sport bike models

This kit offers a one-tooth-down front sprocket configuration compared to OE gearing, resulting in a lower overall gear ratio for quicker acceleration. Always compare OE gearing to Vortex kit gearing to confirm the gear ratio change suits your riding application.