Description Box One Single-Speed Chromoly Cogs are CNC-machined from long-wearing CNC-machined from chrome-molybdenum. It’s designed to fit Shimano™ compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body. Chromoly Steel Offers Extra Long Service Life 5mm Wide Inner Base to Give More Solid Interface with Freehub Body Material: Chromoly Steel Process: CNC-Machined Finish: ED Black w/Laser-Etched Graphics Size: 13T, 14T, 15T, 16T, 17T, 18T Compatibility: • Driver: HG Freehub Body • Chain: 3/32” or ⅛”
