Shimano Quick Link included (SM-CN900-11) 126 links Compatible with Road/Mountain/E-Bike 11-speed Solid pin design Sil-Tec surface treatment (PTFE coating) on inner and outer links and rollers HG-X11 special asymmetric plate design for 11-speed Shimano CN-HG601-11 11-Speed Chain – 126 Links w/ Quick Link