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