Surly Single Cassette Cog 21t - Premium Steel Design

Experience the precision and durability of the Surly Single Cassette Cog, designed for those who appreciate quality in their cycling gear. This premium cog is perfect for single-speed setups, ensuring a smooth ride on every journey.

• Engineered for singlespeed use, with compatibility for stacking with 9-speed shifters.
• Designed to fit Shimano freehub splines for easy installation.
• Constructed from SCM 415 hardened chromoly steel for enhanced strength and longevity.
• Available in a sleek design, perfect for any bike aesthetic.
• Tooth count of 21 for optimal performance in single-speed configurations.

This cassette cog is ideal for cyclists seeking a reliable and robust component for their single-speed bicycles. Its design allows for easy integration into your existing setup, providing a seamless cycling experience.