Key Features:Hyperglide (HG) series 7- or 8-speed compatible chain, recommended for 1995 and earlier Deore LX / STX-RC and 1999 and earlier 105 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,Comes complete with Quick Link which enables fast tool free chain assembly,7.3 mm chain width, optimised for 7- and 8-speed HG drivetrains,Corrosion-resistant grey finish on inner and outer plates,116 links, 335 grams.