Features:- Ultra-Smooth Control Beyond Imagination- Harmonize Your Drivetrain- Smooth Surface = Smooth Control- Diamond-Hard Surface- Premium Lightweight Technology- Patented Configuration- Visual Impact- DLC Technology - Unique Outlook with Supreme Functionality- Exceptional Performance- Transfer Pedaling Energy with the Highest Efficiency- The strongest and most efficient chain on the market is perfectly designed for an outstanding riding experience- Titanium Carbon Nitride- High Rigidity- Highest Pin Power- Diamond Durability- Double X Bridge Shape- Outer Plate Chamfering- Inner Plate ChamferingSpecifications:- 1/2´´x11/128´´ - Compatibility : SHIMANO, SRAM and all other12 speed drivetrains - 1x12