Description Box One Single-Speed Aluminum Cogs are 7075-T6 aluminium alloy. 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. The alloy cogs are anodised black with laser-etched graphics. SPECIFICATIONS: Material: CNC-Machined 7075-T6 Aluminium Finish: Two-Toned & Solid Anodized w/Laser-Etched Graphics Size: 13T, 14T, 15T, 16T, 17T, 18T Fit: 5mm wide base for more solid interface with HG Freehub Body Chain pitch: 3/32” or 1/8”
