Shimano HG40 116 W/CL Chain – Grey, 6/7/8 Speed

Amazon.co.uk Price: £6.45 (as of 22/05/2019 14:16 PST- Details) & FREE Shipping.

Hyper glide (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