12-speed with Stainless Steel strengthSpecially developed to meet the requirements of the latest generation of high-performance shifting systems*, this 12-speed chain extremely efficient and reliable. Despite its narrow width, it easily stands up to the high-torque loads of e-bike drives and delivers slick shifting on any high-performance bicycle, combined with world leading durability.(*Note: Not compatible with SRAMâÂÂs FlatTop12spd system)Precision made using premium steel in GermanyStainless steel inner links and rollers for maximum strength and durability.Heat treated steel outer plates.Supplied with the exclusive, re-usable, tool-free Connex QR joining link.