This X11 Long bike chain from KMC is the link between your trusted steelros and a smooth bike ride. The chain is compatible with all 11-speed derailleur systems. Includes a MissingLink (locking link) for easy opening and closing of the chain. X-SERIES The KMC X-Series was developed with the specific features of the Shimano, SRAM and Campagnolo systems in mind. Thanks to precisely chamfered plates, the X-Bridge technology ensures perfect shifting and smooth drive in all riding situations. The X-Series enjoys the trust of many top athletes in professional cycling. Features: Compatible with all 11-derailor systems Perfect shifting thanks to Double X-Bridge Contains a MissingLink or locking link Superior shifting performance High in durability +++ Specifications: Color: silver, black Color designation: Nickel Plated Silver-Black Code: BX11NB118 Material: steel Number of speed: 11V Chain size: 1/2 x 11/128 inch Chain length: 118 links Pin length: 5.65 mm MissingLink: yes (master link) Weight per 110 links: 260 grams Weight: approx. 0.247 kg