1、Aluminum Alloy Material: The bike headset is made from premium aluminum alloy, ensuring rust resistance and durability for long lasting performance. 2、Sealed Dual Bearings: Equipped with sealed dual bearings, our bike headset is waterproof and maintenance free. It provides a sturdy and smooth rotation without any noise, offering a reliable and enjoyable riding experience. 3、CNC Craftsmanship with Anodized Coloring: The bike headset is crafted with CNC technology and features an anodized coloring process. The surface is smooth, ensuring resistance to color fading and providing a stylish appearance. 4、Fine Processing for Perfect Fit: The bike headset undergoes meticulous processing to ensure a perfect fit with your bike. It offers optimal stability and performance during your rides. 5、Compatibility: Our bike headset is suitable for 41mm tapered hidden head tube frames and can be paired with a 28.6mm standard straight tube fork. It provides a precise and secure connection for your bike's steering system. Item Type: Bike Headset Material: Aluminum alloy Weight: Approx. 85g/3.0oz Application: 41mm straight tube fully hidden head tube frame with 28.6mm standard straight tube front fork 1 x Headset Star Nut Assembly 6 x Bike Headset Spacers