Surly Track Cog Cassettes

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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, Italian,

User Reviews (1)

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Christ   Road Racer [Nov 07, 2012]

Probably one of, if not the most burly fixed cogs out there. This thing was built to last. Very nicely made, with excellent finish in all regards.


Threading spaces out a little further than track standard Dura-ace cogs... You might end up with a 43mm+ chainline at your rear hub. Expensive. Heavy, if that matters to you.

This is one beefy cog. They cost more than Dura-ace at all of my LBS' @ roughly $40 bucks a pop, but what you get is one durable and tough as hell cog. I'd almost say it's overbuilt if anything. Their cogs have performed great for me from a wear and tear standpoint, so they're definitely recommended. My only issue with them was that I noticed the spacing on the threading runs a little deeper than all of my other cogs. This pulled my chainline out at the rear to around 44mm whereas it was damn near perfect at 43mm before when running DA cogs. Ah well, I still run it as is and haven't seen any significant difference in wear or noise running everything 1/8" (chain, chainring, cog).

Similar Products Used: Dura-ace, Formula, Andel
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