Hyperglide (HG) series 10-speed compatible chain, recommended for 105 drivetrains HG technology has chamfered inner plates to optimise shifting performance on HG sprockets Durability is assured through a chromising treatmenton 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... More info »