This is the Shimano CN-HG701-11 Ultegra and Deore XT 11-Speed Chain. This chain is compatible with all Shimano 11-Speed drivetrains but this is the Ultegra/ Deore XT level chain.
Directional 11-speed chain More efficient and silent, less maintenance SIL-TEC surface treatment MTB, Road, E-BIKE 11-speed compatible Reinforced chain for E-BIKE use New chain plate dimension