Industry Nine, iRiX, Headset Spacer, 1-1/8'', Height: 10mm, Aluminum, Purple

Cane Creek, 40-SER 41/42MM Compression Ring

Wheels Manufacturing, Headset Spacer, 1-1/8'', Height: 5mm, Aluminum, Black, 5pcs

Works Components, Upper Bearing Cover

Industry Nine, iRiX, Headset Spacer, 1-1/8'', Height: 2.5mm, Aluminum, Black, 3pcs