1、Aluminium Alloy Material: Made from aluminum alloy, this bike headset is rustproof, sturdy, and durable, ensuring long lasting performance. 2、Double Sealed Bearings: Equipped with double sealed bearings, this headset is waterproof and requires minimal maintenance. It is robust, smooth to rotate, and operates silently. 3、CNC Craftsmanship: The headset undergoes accuracy CNC machining and anodized coloring, resulting in a smooth, fade resistant surface that complements your bike perfectly. 4、Fine Processing: Meticulous processing ensures a smooth surface, allowing the headset to seamlessly integrate with your bike. 5、Wide Compatibility: Designed for 41.8mm straight tube frames paired with standard 28.6mm straight tube forks. Item Type: Bikes Bowls Set Weight: 88g/3.1oz Material: Aluminum alloy Model: Designed for 41.8mm tube frames paired with standard 28.6mm straight tube forks. 1 x Star Nut Components 6 x Headset Parts