- StackRight technology which locks spacers together for a clean, sleek look - The Pro kit features a flat top cap design which conceals the stem bolt for a custom finished look - 34.4mm outside diameter - Kit includes 1-1/8" spacers: (2) 10mm, (2) 2.5mm, (2) 1.5mm, (1) 5mm, headset base cap, flat top cap and stainless screw
