KMC Unisex's X11el Chain, Ti N Gold, 118 Link

Extra Lightweight 11 speed chain featuring the double-x durability and x-bridge technology One chain for all - Compatible with all Shimano, Campagnolo and SRAM 11-speed derailleur systems Double X durability with long lasting Titanium Nitride coating, unmatched chain life Non-directional design: assembly of this chain is independent of direction. It allows maximum compatibility, no matter MTB or race: this chain fits all X-Bridge technology provides phenomenal shifting performance with a uniquely designed outer plate configured with asymmetrical chamfering for quicker and smoother gear shifting and quieter riding