Shimano CN-HG40 6 / 7 / 8-speed 116 link chain with connecting link

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

• 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
• 114 links, 335 grams