The Surly SS Cog 20T is a durable and reliable single-speed cog designed for urban and off-road cycling. Made from heat-treated steel, it ensures long-lasting performance and resistance to wear and tear. With a 20-tooth design, it offers an ideal gear ratio for riders looking for a smooth and efficient ride on single-speed or fixed gear bikes. The cog is compatible with standard 1/8" chains and is designed to withstand the rigors of daily use, making it a great choice for commuters and casual riders alike.Features:- 20-tooth design for ideal gear ratio- Made from heat-treated steel for durability- Compatible with 1/8" chains- Designed for single-speed or fixed gear setups- Reliable performance for urban and off-road cycling

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