Shimano CN-HG40 6/7/8-Speed Chain with Quick Link
Features:
- Recommended for Shimano Altus and older Alivio / STX drivetrains.
- Hyperglide (HG) chain compatible with 6-, 7- and 8-speed drivetrains.
- Chamfered inner plates optimise shifting performance on HG sprockets.
- Includes a quick and easy-to-use connecting link.
- Heat-treated rollers, pins and plates provide improved durability.
- Mushroomed pins enhance side-plate retention and help exceed BS/ISO breaking-force standards.
- 7.3mm chain width, optimised for 7- and 8-speed HG drivetrains.