Shimano HG40 6,7,8 Speed Mountain Bike Chain by Amazon.co.uk

Price last update: 12/06/2025
  • 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
  • Durability is assured through a chromising treatment on link pins, and 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 116 links, 335 grams