Shimano 10 Speed Chains

Ultegra 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.

Features
Redesigned inner and outer plates
New shaped outer plate
New shaped inner plate for smoother rear shifting
Enhanced press-in construction for stable shifting
Chain Type: Super Narrow HG for 10-speed
Cassette Compatibility: 10-speed
Roller Link Plate: Grey
Average Weight: 272g (116 links)

Tiagra HG Supernarrow 10-speed chain for 10 speed systems.

Features
HG technology has chamfered inner plates to optimise shifting performance on HG sprockets
Durability is assured through the heat treatment of rollers, pins, and plates
The CN-4601 chain has a directional connection, which must be observed during installation
116 links