Kmc X11SL ChainKMC chains are known for their extremely durable and high quality chains that go on all types of bikes, from mountain, road and even track bikes. The X11SL Chain is designed for 11-speed drivetrains and comes in at 243 grams.Features1/2" x 11/128"116 Links11 SpeedCompatible with Campagnolo 11 Speed SystemHollow Pins & PlatesSuper Light243g | Kmc X11SL Chain 11-Speed, 116 Links, Silver