This bicycle fork steerer tube spacer is specifically designed for mountain bikes and fixed-gear road bikes, and it is compatible with a 28.6mm fork steerer tube. With precise specifications, it can perfectly fit bicycles of the corresponding size, providing a professional adaptation solution for your cycling equipment. The spacer features a sunflower design, which is both unique and practical. In terms of materials, it combines the advantages of aluminum alloy and steel. The aluminum alloy is lightweight, helping to reduce the overall weight of the bike and enhance the flexibility and speed of cycling. The steel provides excellent strength and durability, able to withstand various pressures and impacts during cycling, ensuring that the spacer remains unchanged and undamaged after long-term use, and providing a reliable guarantee for the stable operation of the bicycle. Whether it's for daily cycling, professional mountain off-road, or road racing, this spacer can become an indispensable high-quality accessory for your bike, adding to your cycling experience.