Shimano Tourney TY - 6, 7, 8-Speed - HyperGlide Mountain Bike Chain.
The HG-40 chain is designed for precise index shifting on 6, 7, and 8-speed HyperDrive SIS and Dual SIS drivetrains.
Smooth and reliable shifting performance. Grey finish. Includes Quick Link connector. Weighs 360g (116 links).
MPN: CN-HG40