Upgrade your bike with our 5Pcs Carbon Fiber Headset Spacer Set, designed for 1 1/8" headsets. Weight: 28g for 5pcs. 1 x 20mm Carbon Fiber Headset Spacer. 1 x 3mm Carbon Fiber Headset Spacer. Complete Set: This set includes 5 spacers in different sizes: 3mm, 5mm, 10mm, 15mm, and 20mm, giving you the flexibility to adjustability.
eBay