Features： 1、Aluminum Alloy: The outer shell of the bike headset is made of aluminum alloy, with a lightweight design that reduces the burden on the bike body, ensures long term stability and durability, and is not afraid of severe impacts during downhill riding 2、CNC Processing: Through advanced CNC technology for cutting and processing, each edge and aperture has high accuracy, ensuring seamless fit between the headset and the front fork, improving the convenience of assembly and the overall coordination of cycling 3、Sealed Double Bearing: Equipped with high accuracy double row ball bearings, the dual sealing structure effectively isolates water and dust from entering, maintaining low obstruction and high efficiency even in harsh environments, providing sensitive feedback 4、Silent Running: The bike headset adopts specially lubricated bearings, combined with accurate bearing structure, making the steering action smoother and no noise, allowing every ride to immerse in speed and passion, without being disturbed by noise 5、Anodizing Coloring: Using anodizing technology, it effectively resists daily wear and erosion, giving your mountain bike long lasting performance while maintaining the color of the headset to be long lasting and bright, adding personality to cycling Specification： Item Type: Mountain Bike Headset Material: Aluminum Alloy Size: Approx. 49.7mm / 2in Package List： 1 x Bike Headset