Vortex CK4125 Chain and Sprocket Kit Gearing - 520SV3 14/40

The Vortex CK4125 is a complete, ready-to-install chain and sprocket kit featuring Vortex's premium 520SV3 Performance Links chain and matched front and rear sprockets. Every component arrives pre-sized with no chain cutting required, making installation straightforward and efficient.

The 520SV3 Series chain is manufactured in Japan to the highest quality standards in the industry. Its dual pocket sealing system delivers up to 7 times longer wear life compared to standard O-ring chains, making it an outstanding upgrade for performance and longevity. The chain includes a rivet-type master link for a secure, reliable connection. Clip-type master links are also available and sold separately.

The rear sprocket is laser-cut steel for precise tooth geometry and long-lasting durability. This kit is configured with one tooth down on the front sprocket compared to OEM, providing improved acceleration response.

Kit Specifications:

• Chain Type: 520SV3
• Chain Length: 108 links
• Kit Gearing: 14 front / 40 rear
• OE Reference Gearing: 15 front / 40 rear
• Master Link Type: Rivet (clip-type sold separately)
• Rear Sprocket Material: Laser-cut steel
• Chain Origin: Made in Japan

The Vortex SV3 chain's advanced sealing technology keeps lubrication locked in and contaminants locked out, significantly extending service intervals and overall drivetrain life. This kit offers a direct performance upgrade for riders seeking greater throttle response without sacrificing durability.