Feature: 1. Oil Sealing Waterproof Technology: Bike bearing bowl group adopts oil sealing waterproof technology, placing the waterproof oil sealing on the edge of the upper bowl of the headset set, which is light and thin. 2. Flexible Rotation: Road bike headset bearings sealed double bearing, good sealing, maintenance free, flexible rotation, low noise. 3. CNC Process: Front fork stem headset bearing bowl group adopts CNC process, anodized coloring, smoother surfaces, not easy to fade. 4. Smoother Surfaces: The bike front fork stem headset bearing bowl group is finely machined to ensure smoother surfaces for a perfect fit on your bike. 5. Aluminum Alloy Material: Mountain bike bowl group is made of aluminum alloy material, which is rust proof and durable. Specification: Item Type: Mountain Bike Bowl Group Product Material: Aluminum Alloy Product Model: DH-44F Product Application: Suitable for 44mm Straight Tube Head Tube Frame with 28.6mm Standard Straight Tube Fork or 1.5 Inch Standard Tapered Tube Fork Package List: 1 x Sunflower Components 4 x Headset Cover Assembly