KMC - X11 CHAINS New Double Elongated X Bridge Shape Dynamic chamfer angles Design Double X Durability - Non-Directional Compatibility: SHIMANO, Campagnolo and SRAM 11 speed drivetrain systems KMC - X11EL EXTRA LIGHT Weight and chain suck reduction Double X Bridge Shape Double X Durability Compatibility: Shimano, Campagnolo and SRAM 11 speed drivetrain systems Available in Silver or Black. KMC - X11SL SUPER LIGHT Extra StretchProof Hollow Pin Weight and chain suck reduction Double X Bridge Shape Triple X Durability Non-Directional Compatibility: SHIMANO, Campagnolo and SRAM 11 speed drivetrain systems _________________________________________________________________________________________________________________________ Size: 1/2" x 11/128" Speed of Sprocket: 11 Compatible Bikes: Road Bike, Mountain Bike, Derailleur Chain Connecting Link: CL555 (Non-reusable)
