Features: brand new and high quality Long Service Life: The headset is made of quality aluminium alloy material which is anti-rust, sturdy and durable. Durable & Solid: The bike headset bearings is good for keeping dust and water away to lengthen the durability. Exquisite Workmanship: Fine machining ensures sleek surface, fits perfectly with your bike headset. Protect Your Bearing: Bike headset set can prevent the bearing from over-abrasion and make it rotate freely. Indispensable Accessory: Bicycle headset is an useful accessory for replacing old headset of bike. Specifications: Material: Aluminum Alloy Color: Black/Red/Golden/Silver/Electroplating Color Package Weight: approx.70g Diameter: approx.47mm/1.85in Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1Pc x Bicycle Headset