Durability is assured through a chromising treatment on link pins, and the heat treatment of rollers, pins, and plates Open design of inner links increase mud shedding ability Mushrooming of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force Chain is optimised for Shimano 10-speed HG-X MTB drivetrains only Sil-Tec surface treatment technology (PTFE plating) that is smooth running and increases durability Corrosion-resistant Zinc-alloy plating and grey finish on inner and outer plates 114 links, 273 grams .