This X9 bike chain from KMC is the link between your trusty steelros and a smooth bike ride. The chain is compatible with all 9-gear 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 9-gear systems Perfect shifting thanks to Double X-Bridge Contains a MissingLink or locking link Superior shifting performance High in durability +++ Specifications: Color: silver grey Color designation: Silver Grey Code: BX09NG114 Material: steel Number of speed: 9V Chain size: 1/2 x 11/128 inch Chain length: 114 links Pin length: 6.6 mm MissingLink: yes (master link) Weight per 110 links: 287 grams Weight: approx. 0.29 kg