This headset is made of quality aluminium alloy material, which is anti rust, sturdy and . And this product has fine machining ensures sleek surface, which fits perfectly with your bike headset. Another point is the cover is good for keeping dust and water away to lengthen the durability, Which is able to use for long time. Finally, this is an useful accessory for replacing old headset of bike, which gives you a wonderful cycling experience. If you are a cycling lover, you deserve it. Features: HIGH QUALITY MATERIAL: This headset is made of quality aluminium alloy material, which is anti rust, sturdy and . FINE WORKMANSHIP: This product has fine machining ensures sleek surface, which fits perfectly with your bike headset. GOOD PERFORMANCE: The cover is good for keeping dust and water away to lengthen the durability, Which is able to use for long time. PREVENT BEARING: This product can prevent the bearing from over abrasion and make it rotate freely, which performs well in practical use. GREAT ACCESSORY: This is an useful accessory for replacing old headset of bike, which gives you a wonderful cycling experience. If you are a cycling lover, you deserve it. Specification: Material: Aluminium Alloy Color Options: Gold; Black; Red Weight: Approx. 108 111g Suitable for most bike with 44mm head tube( inner diameter of 44mm, outer diameter of 50mm) and 28.6mm front fork Package List: 1 x Bike Headset