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SurlyCassette Cog

Questions and Answers

Pair this cog with your Shimano-compatible rear hub, spacers and a lockring (sold separately) and discover the joy and simplicity of a singlespeed without the cost of a new wheel. Machined from heat-treated chromoly and then chrome plated, these seriously tough cogs are strong, shiny and they come in sizes from 13T to 22T so you can pick the perfect gear.
Disclaimer

Deviations between specified and installed components are possible depending on the delivery situation. Alternatively installed components correspond to the quality level of the specified components. Errors and omissions excepted.

Surly is all about keeping it real. Born in the late 90s, this Minnesota-based brand carved its place in the bike world with a no-nonsense attitude and an obsession with making durable, versatile bikes. Surly’s philosophy? Fun, function, and freedom - without all the flashy nonsense. Whether you’re into gravel grinding, bikepacking, or commuting, their steel-frame bikes are built to handle whatever you throw at them, and then some. From classics like the Long Haul Trucker to off-road beasts like the Karate Monkey, Surly’s lineup spans road, trail, and adventure categories. Riders rave about the bombproof durability, smooth rides, and ability to customize. Surly bikes are for people who value reliability over trends - whether you’re a hardcore adventurer, daily commuter, or weekend trail rider. If you want a bike that can do it all, and do it for years, Surly might just be your new best friend.

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