KMC introduces a new entry level model, X10 grey, an entry level 10 speed chain featuring high durability, X-Bridge and Non-Directional useKMC 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.* 1/2" X 11/128" - 114 Links, pin length 5,88 mm* Shimano, Sram and Campagnolo compatible (Including all 10X MTB systems)* Non-Directional* Hi-Performance* Extremely Durable