Box One 3/32″ CNC CrMo Cog Black – 17t

Single-speed CrMo cogs are CNC-machined from long-wearing chrome-molybdenum Designed to fit Shimano compatible cassette hubs. 5mm wide inner base provides solid interface with the cassette body 3/32 inch or 1/8 inch chain compatible Heavy duty heat-treated

$20.99 $34.99

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