- A lightweight 11 speed chain featuring the Double-X Durability and X-Bridge technology. The chain is compatible with all 11 speed road and MTB systems and is also NON-directional in design. Assembly of this chain is independent of direction, this allows maximum compatibility, whether it's MTB or Race. The X-Bridge is on the outer plate, configured with precisely articulated angles for quicker and smoother gear shifting and quieter riding. * Top-Performance * Double X-Durability * Open inner and outer plate design * Extra Light, 256 grams only! * 118 Links