The Surly SS Cog 20T is a durable and reliable singlespeed cog designed for urban and offroad cycling Made from heattreated steel it ensures longlasting performance and resistance to wear and tear With a 20tooth design it offers an ideal gear ratio for riders looking for a smooth and efficient ride on singlespeed or fixed gear bikes The cog is compatible with standard 18 chains and is designed to withstand the rigors of daily use making it a great choice for commuters and casual riders alikeFeatures 20tooth design for ideal gear ratio Made from heattreated steel for durability Compatible with 18 chains Designed for singlespeed or fixed gear setups Reliable performance for urban and offroad cycling

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