X12 DLC One of the lightest chains in its class the PRO's choice. The main characteristics of the X12 DLC chain are: at 238g its amongst the lightest chains in its class and unlike others is coated in DLC Diamond Like coating to reduce abrasive wear. It's surface hardness is higher than most coatings this ensures its long-term functionality and higher wear resistance. Triple X Durability also helps gives you unmatched chain life KMC guaranties your satisfaction! At 126 links long with great mud shedding property's this chain is as well suited for 29' MTB's as it is for road. DLC Diamond Like Coating Inner/Outer Plate Chamfering Triple X Durability High Rigidity Highest Pin Power Mud Shedding Design Unsurpassed durability. Includes 12x Missing Link 1/2' X 11/128' - 126 Links Pin length 5.5mm Compatible with all 12x drivetrains Super Light 238g per 110 links only!