High-grade CrMo steel replacement cog for your single-speed setup. Our extra-wide sprocket flange distributes load across the freehub body to protect lightweight alloy Shimano HG freehubs from permanent bite damage.
Key Features
Freehub Protection: Extra-wide 7mm base flange prevents the cog from chewing into softer aluminum freehub splines.
High-Grade Durability: Machined from tough CrMo steel to handle high torque loads and resist wear.
Broad Chain Compatibility: Designed to work smoothly with 1-speed up to 11-speed bicycle chains.