• Developed to meet the spec of the latest models of extreme superbike
• Features RK’s only technology of XW-Ring
• 2 lubrication pools and 3 contact lips
• Triple barrier structure to further seal the lubrication and prevent debris to enter the chain
• Designed to be the strongest, long-lasting chain available on today’s market
• Highest tensile strength of all RK series and high rigidity for instant respond on acceleration