Box Zero 1-1/8" Headset Spacers 10 5 3 1(2pcs)mm

extruded and cnc-machined from 6061-t6 aluminum, zero stem spacers feature an ultra-minimalist design that is super lightweight. weights range from 0.2 to 1.1 grams, depending on the size. for the best performance, stack the spacers so the vertical supports are in alignment. recommended for riders who weigh less than 120 pounds. sold in packs of five, including two 1-millimeter and one each 3-, 5- and 10-millimeter heights, the set provides spacing adjustments of 1 to 20 millimeters.