Product information "Tangeseiki Aluminium Alloy Bike Stem / Headset Spacers 1 1/8-Inch (BLACK)"
Fit for 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc. aluminum Headset Spacers 3mm, 5mm, 10mm, 15mm, 20mm. Lightweight and easy to install.help to raise your handlebar. Made of high-quality aluminum alloy material,CNC finished. 5 different size(3mm/5mm/10mm/15mm/20mm),they could fit for your demand and meet different needs.