Description
Box One Single-Speed Cogs are CNC-machined from chrome-molybdenum and are designed to fit Shimano-compatible cassette hubs and have a 5mm wide inner base, giving a more solid connection to the cassette body. The chromoly cogs have an ED finish with laser-etched logos. Size: 17T, 18T, 16T, 14T, 13T, 15T