Shimano CN-HG40 6/7/8-Speed 116 Link Chain With Connecting Link

Hyperglide (HG) series 6, 7, or 8-speed compatible chain, recommended for Altus and older Alivio / STX drivetrains.

• HG technology has chamfered inner plates to optimise shifting performance on HG sprockets
• Comes with quick and easy to use connecting link
• Durability is assured through the heat treatment of rollers, pins, and plates
• Mushrooming of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force
• 7.3 mm chain width, optimised for 7- and 8-speed HG drivetrains