DID X-Ring Masterlink Size:520VX3 Features both large and small

Features both large and small axle inserts to fit securely in most axles

Gearboxes operating in severe conditions: racing

Anti-Degradation Fin™ and Castle Block™ for Rear

KTM/Husqvarna/Husaberg/GasGas Twin Air Filter

Rotracc On/Off Switch

DID X-Ring Masterlink Size:520VX3 Features both large and smallDID X Ring Masterlink The VX Series chain is a great chain upgrade from OEM and is our most popular and widely used chain on both on and off road bikes. The 520VX3 boasts a 32% longer chain life than the VO Series due to our patented X Ring seal technology. It also has increased rigidity as to reduce flex, which gives you a more responsive and smooth driving experience.