4pcs Bicycle Headset Spacer Aluminium Alloy Bike Stem Headset Spacers Fork Washer Fit for MTB BMX Road Bikes, 3/5mm

Description:
1. Made of high-quality aluminum alloy material, eco-friendly, sturdy and durable to use.
2. Lightweight and easy to install, having advantages of smooth surface and exquisite workmanship.
3. Two different size(3mm/5mm) into on pack, they could fit for your demand and meet different needs.
4. Available in 2 colors, just choose the color you like.
5. New brand and high quality.

Specification:
Material: aluminum alloy
Size: 18.9mm*3mm/21mm*5mm
Color: black/red
Be applicable:
5mm is suitable for the hub opening of 100mm to 110mm
3mm is suitable for the hub opening of 142mm to 148mm

Package include:
2/4/10pcs*Bicycle Hubs Riser Pad