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Surly
Splined Single Speed Cog

  (1 customer reviews)
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Single up.

Surly's Splined Single Speed Cogs are machined from CroMoly and then heat treated and chrome plated for a durable and smooth finish for your single speed drivetrain. The teeth have a tall profile to help keep the chain engaged, and the spline width is a wide 4.35 mm that spreads the load over the freehub body to prevent gouging. It's also the same width as the spacing of a 9-speed cassette, so if you felt like it, you could build a little mini-cassette out of a few different sizes and use a 9-speed shifter and derailleur to change between them. Sizes 17T and larger are drilled out to save weight, and they're compatible with 6 - 9 speed 3 / 32" chains, but Surly recommends using a narrower 8 or 9 speed chain.

Spline pattern is for Shimano / SRAM freehub bodies.

 

Cassette Type: Freewheels/ Fixed Cogs 

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Very Nice
rating
by Anonymous

One of the best options(for price) for single speed cogs, these cogs have a large enough surface area which helps avoid eating into freehub bodies.

Reviewed 6/1/2015
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