The new Shimano CN-HG601 105 chain now features an asymmetrical (directional) chain. Shifting precision and smoothness has been significantly improved through the use of different inner and outer plate chamfers and dimensions to accommodate the different shifting requirements of moving the chain inward and outward on the drivetrain. Redesigned SIL-TEC Chain for Road and Mountain11-Speed.
The Shimano CN-HG601 uses low friction surface treatment SIL-TEC for inner and outer link plates
The PTFE surface coating reduces friction whilst boosting durability
Compatibility: 11-speed Super Narrow HG-EV drivetrains only