Surly Track Cog

In a sign of the road-centric times, Campy quit making track cogs long, long ago. The cogs best suited for an otherwise all-Campy track drivetrain are those made by Surly. Surly cogs are designed to spin onto standard ISO-threaded (1.375" x 24tpi) hubs, so they work with almost any English, ...read more

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