KMC chain X11SL X Series. 11 Speed One Chain for All｜100% Compatibility On All Leading Derailleur Systems. Asymmetrical Chamfering Avoids Interference. Added Chamfering for Smooth Operation. Impeccable Precision｜Phenomenal Shifting Performance. Color: Ti-N Gold Speeds: 11 Links: 112 Features: Super Light / High Rigidity / Highest Pin Power/ Mud Shedding Design / Hollow Pin / Triple X Durability / Double X Bridge Shape / Outer Plate Chamfering / Inner Plate Chamfering Compatibility: SHIMANO, Campagnolo and SRAM 11 speed drivetrain systems | 1x11, 2x11, 3x11 Suitable For: Down Hill / Mountain Bike / Road Bike / Cyclo-Cross