Take your drivetrain back to the basics with precision. The SOLO-HG Single Speed Conversion Kit is engineered specifically for Shimano HG-style freehub bodies. Whether you're building a commuter, race rig, or trail-ready shredder, this kit delivers clean chainlines and the durability Wheels Manufacturing is known for.Compatible with HG style freehubs ONLY (Cog sold separately)Machined from 6061 aluminumDesigned for precise chainline adjustmentKit includes - (1) SOLO-HG Lockring Spacer, (1) SOLO-HG 10mm Spacer, (2) SOLO-HG 5mm Spacers, (3) SOLO-HG 2mm Spacers, (2) SOLO-HG 1mm Spacers, (1) HG Cassette Lockring Wheels Manufacturing Solo-HG Single Speed Conversion Kit Single Speed Spacer Kit UPC: 810124713515