Features: handlebar stem spacers are made of high-quality aluminum alloy material, , sturdy and to use Lightweight and easy to install, having advantages of smooth and exquisite workmanship Headset spacer is perfectly suitable for 28.6mm front stem fork of mountain bike, road etc 4 different size(5mm/10mm/15mm/20mm) into on pack, they could fit for your demand and meet different needs Available in 4 colors, just choose the color you like Specifications: Condition: Brand New Material: Aluminum alloy Color: Black, Red, Blue, Silver (Optional) Quantity: 4pcs 4Pcs/Set Size(Height): Approx. 5m/10mm/15mm/20mm Package Weight: Approx Suitable for: 28.6mm Front Stem Fork Package List: 1 x Set of 4pcs Headset Spacer We are right here 24/7 when you need any help, just Seller for anything at anytime