10-speed chain Ampule type, lightweight construction with special hardness treatment for maximum durability, silent shifts, and long lifespan, with galvanized coating and chrome-plated links. Compatible for 10-speed Road/Mtb/Ebike series. Material: Steel. Rear Gears: 11. Color: Dark gray. Dimensions: 116 Links. For bike 26"/27". Weight: 310g. Safety Type: Pin.