Wheels Manufacturing SOLO-HG Single Speed Conversion Kit – For HG Style Hubs,
Kit 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. Take your drivetrain back to the basics with precision.