Shimano HG40 6,7,8spd chain
Hyperglide (HG) series 6, 7, or 8-speed compatible chain, recommended for Altus and Alivio/STX drivetrains.
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
Weight: 335 grams