Shimano 11 Speed Chain CN-HG601 Deore w/Quick Link (126 Links
・System engineered drivetrain component for optimal power transfer »Inner-plate treated with SHIMANO's ultra-low friction surface treatment “SIL-TEC”...
This Super Narrow HG-X11 directional chain offers precise shifting and improved durability thanks to SHIMANO's SIL-TEC treatment on the inner plate surfaces.