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Shimano CN-HG40 6/7/8-speed chain 116 links

Shimano CN-HG40 6/7/8 speed chain 116 links 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