Feature 1The headset is made of quality aluminium alloy material, anti-rust, sturdy and durable 2Fine machining ensures sleek surface, fits perfectly with your bike headset 3The cap is good for keeping dust and water away to lengthen the durability 4Can prevent the bearing from over-abrasion and make it rotate freely 5Useful accessory for replacing old headset of bike Features: The headset is made of quality aluminium alloy material, anti-rust, sturdy and durable. Fine machining ensures sleek surface, fits perfectly with your bike headset. The cap is good for keeping dust and water away to lengthen the durability. Can prevent the bearing from over-abrasion and make it rotate freely. Useful accessory for replacing old headset of bike. 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