The main characteristics of the X11-SL DLC chain are: at 243g its amongst the lightest chains in its class and unlike others is coated in DLC Diamond Like coating to reduce abrasive wear. KMC's X11 series offers great advantages on your current 11-speed system such as very high durability super light weight and easy to mount connecting link. Compatible with all 11x systems 1/2' X 11/128' - 118 Links Pin Length 5 5mm Nickel Coated Silver/Titanium Nitride coated Gold Double X Durability Super Light 247g 118L Comes with 11x missing link. KMC X11SL Chain If you're running 11-speed here's an alternative to a Campagnolo chain. There are two things that make this better than Campag's: it doesn't require an expensive tool to install it - you simply use the MissingLink and slide the two parts together - and at 228g it's 8g lighter. It also shifts as well as a standard chain. Cycling Plus 9/10