This is a lightweight version of the 10sX. Stainless steel inner links and rollers with nickel-plated outer links make this chain extremely resistant to wear and corrosion. Hollow pins shave 15gm from its cousin. Extensively chamfered outer links ensure rapid and precise shifting on all systems. The combination of hollow pins and stainless steel inner plates delivers outstanding longevity and reduced weight. Supplied with the famous tool-free Connex link.