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nc-machined 7075-t6 aluminum alloy or conk-machined chromoly
alloy cogs are anodized black with laser-etched graphics, while chromoly cogs are electro plated black with laser-etched logos
both have a 5mm wide inner base, giving more solid interface with cassette body
Fit type: Vehicle Specific
Sport type: Cycling
Box One Single-Speed Cogs are available now in two different versions CNC-machined from long-wearing 7075-T6 aluminum alloy or CNC-machined from chrome-molybdenum. Both types are designed to fit Shimano-compatible cassette hubs and have a 5mm wide inner base, giving a more solid interface with the cassette body. The alloy cogs are anodized black with laser-etched graphics, while the chromoly cogs have an ED finish with laser-etched logos.