KMC - X10 CHAINS KMC - X10DLC DIAMOND LIKE COATING Extra StretchProof Hollow Pin Weight and chain suck reduction Double X Bridge Shape Diamond Durability, TiCN Tech - extreme surface hardness, smoother shifting and chain interaction with all drivetrain parts. KMC - X10SL SUPER LIGHT Extra StretchProof Hollow Pin, Weight and chain suck reduction. Double X Bridge Shape, Triple X Durability. Available in Silver or Ti-N Gold. KMC - X10EL EXTRA LIGHT Weight and chain suck reduction Double X Bridge Shape, Triple X Durability Available in Silver. KMC - X10 One Chain for All, 100% Compatibility On All Leading Derailleur Systems. Asymmetrical Chamfering Avoids Interference + Added Chamfering for Smooth Operation. Phenomenal Shifting Performance. _________________________________________________________________________________________________________________________ Size: 1/2" x 11/128" Speed of Sprocket: 10 Compatible Bikes: Road Bike, Mountain Bike, Derailleur Chain Connecting Link: CL559R (Reusable), CL559 (Non-reusable) All compatible with SHIMANO, Campagnolo and SRAM 10 speed drivetrain systems.