Why Is the Shimano CN-HG40 a Reliable Entry-Level Chain for 6, 7, and 8-Speed Bikes?

The Shimano CN-HG40 is a straightforward, dependable chain for 6, 7, and 8-speed drivetrains, built around Shimano's HYPERGLIDE SIS and DUAL SIS INDEX shifting standards. Designed to deliver precise index shifting on entry and mid-range Shimano drivetrains, it's the correct OEM-spec replacement for a wide range of Tourney, Altus, and Acera-equipped bikes. Practical, proven, and easy to install.

Compatible with Shimano 6, 7, and 8-speed drivetrains. Ships at 116 links. A Shimano connecting pin or compatible quick-link is required for installation and is not included.