Size?1-1/8" Headset Spacer Set . Inside diameter 28.6mm
Material : Black anodized aluminum alloy, made of high quality aluminum alloy material, with smooth surface and exquisite workmanship.
Package included?set of 6pcs ?2mm / 3mm / 5mm /10mm x3??4 different size provide various combination to adjust height of handlebars to fit your riding style
Use?Compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc.
Note: if you go for heavy duty off road ride, you should use aluminum spacers other than carbon spacers.