KMC introduces the X10 grey chain, an entry level 10 speed chain featuring high durability, X-Bridge and Non-Directional use. KMC 10-speed chains are compatible with all road or mtb 10-speed drive trains. The X-Bridge system provides smoother and more precise gear shifting to give you absolute confidence when you're out of the saddle and you need your drivetrain to be perfect.   Features 1/2" X 11/128" - 114 Links, pin length 5,88 mm. Shimano, Sram & Campagnolo compatible (Including all 10X MTB systems). Non-Directional. Hi-Performance. Extremely Durable.