Shimano Chain Cn-hg40 6/7/8 Speed

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

Features:
- HG technology has chamfered inner plates to optimise shifting performance on HG sprockets
- 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
- 7.3mm chain width, optimised for 7- and 8-speed HG drivetrains
- 116 links
- Weight: 350 grams