MATERIAL:Made of high-quality aluminum alloy material,Great Anti-corrosion and Lightweight, Only about 35g (7PCS)
FEATURES:Comes Anodized in Black,Red,Blue and Gold,Colorfast Surface,Ultra Precision Diamond Blade Machine Cut, Fit All BMX/Road /Mountain Bikes.
Multi-SIZE : 4 Different Size for You to Adjust The Appropriate Height,and the Small Size of Spacer Headset(2mm/3mm) Let You Have a More Precise Height Adjustment.