KMC Unisex's DLC 12 Speed Chain, Black/Red, 126 Link

X12 DLC, One of the lightest chains in its class, the PRO's choice.The main characteristics of the X12-SL DLC chain are: at 272g 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. 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. This chain is compatible with all 12x Campagnolo, Shimano and Sram MTB. They are not compatible with Sram road groups, this is due to a difference in pin length. DLC (Diamond Like Coating) Inner/Outer Plate Chamfering Triple X Durability High Rigidity Highest Pin Power Unsurpassed durability Includes 12x Missing Link 1/2" X 11/128" - 126 Links pin length 5.5mm Super Light 272g per 126 links only!