Surly track cog

Retrogression Verified independent store

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Surly cogs are machined from heat-treated cro-mo steel and plated with a matte chrome finish so they are tough and long lasting. Available in 1/8" width in sizes ranging from 15-19 t. 17t and larger have holes for weight savings. ⓘ All track cogs have 1.37"x24tpi threading. Any threaded cog can be used on any threaded track hub. specifications • standard 1.37" x 24tpi threading • color: silver Show more