SURLY CASSETTE COG
Precision Singlespeed Performance
Surly cassette cogs are designed for standard Shimano-compatible freehub bodies. With a tall tooth profile, they prevent chain skip under the extra torque of singlespeed drivetrains.
Key Features
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Durable Construction: Machined from SCM415 CroMoly steel, heat-treated, and chrome-plated for toughness, longevity, and enhanced chain lubricity.
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Optimal Width: 4.35mm base prevents damage to the freehub and allows stacking for simplified multi-speed setups using 6–9-speed chains.
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Versatile Compatibility: Works with 6–9-speed 3/32" chains, ideally 8 or 9-speed for optimal performance.
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Gear Options: Available in every increment from 13–22t, allowing you to select the perfect gear ratio.
Why Choose Surly Cassette Cogs?
Engineered for singlespeed reliability and smooth shifting, these cogs deliver durability, performance, and adaptability for a variety of riding styles.