Wheels Manufacturing StackRight Headset Spacer Kit - Green Model=VisionMetron5D/6D GoPro Adapter More robustness thanks to the

More robustness thanks to the light and robust Gravity Shield casing

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Inboard and outboard pad adjustment

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Wheels Manufacturing StackRight Headset Spacer Kit - Green Model=VisionMetron5D/6D GoPro Adapter More robustness thanks to theStackRight Headset Spacers look great and stay that way! No more misaligned headset spacers thanks to the StackRight technology which locks spacers together with an interlocking channel for a clean sleek look. Fits 1 1 8" threadless fork steerer Inner Diameter: 28. 9mm Outer Diameter: 34. 4mm Precision machined 6061 aluminum Kit includes 1. 5mm (2) 2. 5mm (2) 5mm (1) and 10mm (2) thicknesses Material 6061 Aluminum S. H. I. S. Stem Clamp Diameter 28. 6