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Your cart is empty.Black CrMo with 1.37"x24tpi (right handed) threads. Features: 1.37" x 24 tpi, Black
edh
Reviewed in the United States on December 19, 2018
nothing else to say
Jesus
Reviewed in the United States on May 18, 2016
It's holding up good no problem
Michael lewis
Reviewed in the United States on March 28, 2016
Perfect! As advertised and ahead of schedule.
Matthew J. Wufsus Jr.
Reviewed in the United States on September 3, 2014
Great cog, perfect for fixed gear applications
Joey Jo Jo
Reviewed in the United States on July 18, 2013
I needed to switch from 16T to 15T to get more skid patches. The Surly cogs are also excellent, but I really think that the Dura Ace cogs are the best in the industry. They are indestructible, the notches never strip out, and you can feel the quality when you hold it next to a no-name stock cog. Excellent product.
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