A lightweight 11 speed chain featuring the double x durability and x bridge technology the chain is compatible with all 11 speed road and mtb systems and is also non directional in design assembly of this chain is independent of direction this allows maximum compatibility whether its mtb or race the x bridge is on the outer plate configured with precisely articulated angles for quicker and smoother gear shifting and quieter ridingtop performancedouble x durabilityopen inner and outer pla