Solid pins, inner and outer plates make for an economical chain choice with all the performance of higher level KMC X-Series chains. - Includes KMC Missing Link 11 - Optimized chamfer angles for superior stability in extreme chainlines - Upgraded outer plate chamfering for minimized cassette tooth interference - Double X-Bridge structure technology for improved shifting performance - Mushroomed Pin Riveted - Compatible with Shimano, SRAM & Campagnolo 11 Speed Systems