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 it's MTB or Race. The X-Bridge is on the outer plate, configured with precisely articulated angles for quicker and smoother gear shifting and quieter riding. Silver Nickel-Plated Coating Nickel is an alloying metal primarily used for refining steel. With corrosion resistance, enhanced hardness, and proves highly effective as rust protection. Gold Ti-N Coating Titanium nitride is a chemical compound of titanium and nitrogen. Offering extreme hardness and corrosion resistance. This special coating has an ultra-smooth surface, and is extremely durable against the elements. Top-Performance Pin length: 5.65mm Size: 1/2" x 11/128" Double X-Durability Open inner and outer plate design Extra Light, 256 grams only! 118 Links