The Shimano Hyperglide (HG) series 6, 7 or 8-speed compatible chain, recommended for Deore LX / STX-RC and 105 drivetrains. HG technology has chamfered inner plates to optimise shifting performance on HG sprockets and 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.Comes complete with Quick Link which enables fast tool free chain assembly7.3 mm chain width, optimised for 6, 7 and 8-speed HG drivetrainsCorrosion-resistant grey finish on inner and outer plates116 links, 335 grams