Feature: 1. Made of high-strength aluminum alloy with light weight, high strength and wear resistance. 2. The anodic oxide film is painted to form a dense oxide film on the aluminum surface, beautiful and corrosion-resistant. 3. Each headset is paired with two bearings to make the handlebar light and smooth when turning. 4. With rubber waterproof ring, it can be waterproof, anti-corrosion and anti-mud, and has a long service life. 5. Wonderful accessory for mountain bike, road bike. Specification: Condition: 100% Brand New Item Type:Bearing Headset Material: aluminium alloy Color: black Weight: Approx. 116g Applicable bike frame: Applicable bike frame heads tube 34mm/1.3in inner diameter Applicable front fork: Applicable front fork stem 28.6mm/1.1in outer diameter Package List: 1 Set x Bearing Headset