Features <br> 1.PREMIUM MATERIAL: Bike head expansion hanging core is made of high quality aluminum alloy and stainless steel material, which is rust and corrosion resistant for long time use. <br> 2.EASY INSTALLATION: Mountain bike expansion hanging core has the characteristics of small size and simple structure, which is convenient for transportation and installation. <br> 3.ADDITIONAL SUPPORT: Bike expansion hanging core eliminates the danger of damage and provides additional support for the fragile upper edge of the steerer. <br> 4.STAINLESS STEEL MIDDLE ROD: Bike he ad expansion sunflower hanging core middle rod is made of stainless steel, which increases the strength and will not loosen when riding. <br> 5.REPEATEDLY DISASSEMBLED AND REUSABLE: Bike front fork expansion hanging core front fork fits snugly with no gaps! It can be disassembled and reused repeatedly. <br> Specification <br> Item Type: Bike Expansion Hanging Core <br> Material: Aluminum Alloy, Stainless Steel <br> Size: Approx. 50x25mm / 1.97x0.98in <br> Color: Silver <br> Specification: 24.3-25.8mm / 0.96-1.02in <br> Application: Generally suitable for 28.6mm / 1.13in front fork head tube, steel head tube is not available. Over the line function needs to be used with the handlebar and stem and head cover. It can be used as an ordinary hanging core when not use. <br> Package List <br> 1 x Bike Expansion Hanging Core