A 10-speed chain from Shimano’s Tiagra groupset.
- Unidirectional (asymmetrical) design uses different inner and outer plate chamfers and dimensions to accommodate the different shifting requirements when moving the chain inward or outward
- Compatible with Dura-Ace 7900, Ultegra 6700 and 105
- Super narrow profile designed HG 10-speed road transmissions
- Does not work with Shimano 10-speed MTB drivetrains
