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Sometimes you need a smaller cog, and sometimes you need a bigger one; luckily, the Surly Single Cog caters to your fancy. The machined SCM415 Cro-Moly steel cog features a tall tooth profile to prevent chain skip and works with six-to-nine-speed 3/32in chains. Available in every increment from 13-22T for perfect gearing, the cog is stackable and derailleur compatible for multi-speed drivetrains. The CroMoly steel is heat-treated for ultimate strength properties and chrome-plated for surface hardening and improved chain lubricity.
- Extend your drivetrain from 13-22T for perfect gearing
- Stackable and derailleur compatible for a multi-speed drivetrain
- Heat-treated for ultimate strength
- Chrome-plated for surface hardening and improved chain lubricity
- Item #SRY0001
4.5 based on 12 ratings
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