A. This suspension core for the headset of mountain and road bike forks is specially designed for cycling enthusiasts. It is made of carbon fiber and aluminum alloy, combining the lightness of carbon fiber with the durability of aluminum alloy, which can improve the performance of the bicycle. B. Its specification is S34, with good adaptability, and it can precisely match the corresponding specifications of mountain bikes and road bikes. Whether on rough mountain roads or flat highways, it can ensure the stable and flexible operation of the bicycle's front fork system, making your cycling more smooth and safer. C. The design of this front fork headset suspension core has been carefully considered. Its expandable sunflower structure further enhances the connection stability with the front fork, effectively reducing shaking and abnormal noises during cycling and bringing you a more comfortable cycling experience. D. Choosing it means selecting a reliable front fork partner for your bicycle and making your cycling journey more wonderful.