Feature: 1. Light Weight Design: The aluminum alloy material guarantees light weight, the T6 heat treatment guarantees the overall hardness, and the CNC knurling process guarantees the strength. 2. Premium Material: Disassembly of the expansion suspension core, the expansion pawl, upper and lower vertebral bodies are processed by aluminum alloy CNC finishing, which plays a role in lightening and heavy. 3. Fit for: Mainly used on carbon fiber front forks, general front forks can also be used; it can protect the front fork from damage to great extent and ensure the safe use of carbon fiber front forks. 4. Great Replacement: The installation closely fits the front fork without gaps, and can be repeatedly disassembled and repeated use, perfect tools to help you replace your old broken piece bicycle. 5. Durable to Use: The tie rods are made of stainless steel to increase the strength, made of quality material, which is durable, antioxidant and durable for prolonged use. How to Use: 1. Put the flower core into the upper tube of the front fork; 2. Use a No. 6 hex wrench to tighten the screws inside (clockwise); 3. The installation of the expansion lifting core is completed. Specification: Item Type: Bicycle Front Fork Expansion Hanging Core Material: Aluminum Alloy Expansion Range: Approx. 22.2-25.4mm/0.87-1in Applicable Front Forks: 25.4mm/1in and 28.6mm/1.12in Outer Diameter Carbon Fiber Forks and Mountain Suspension Forks Package List: 1 x Expansion Hanging Core1 x Screw 1 x Headset Cover