Adjustable aluminum spacers fine-tune chainline for optimal shifting and compatibility
7 mm Hyperglide spline ensures smooth engagement and power transfer
13T extra wide sprocket provides broad contact patch for even power distribution and protection of freehub body
Includes alloy lockring for secure installation
Compatible with most Shimano HG freehub wheels for easy conversion
Summarized by Shop
Convert Shimano HG hubs to single speed with a perfect chain line using adjustable spacers. The extra-wide 7 mm sprocket flange provides a broad contact patch, distributing power evenly to protect aluminum freehub bodies and ensure long-term durability. Additional sprocket sizes available separately.