Features1The aluminum alloy material guarantees light weight, the T6 heat treatment guarantees the overall hardness, and the CNC knurling process guarantees the strength. 2Disassembly 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. 3Mainly 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. 4The installation closely fits the front fork without gaps, and can be repeatedly disassembled and repeated use, tools to help you replace your old broken piece bicycle. 5The tie rods are made of stainless steel to increase the strength, made of quality material, which is durable, antioxidant and durable for prolonged use.SpecificationItem Type: Bicycle Front Fork Expansion Hanging CoreMaterial: Aluminum AlloyExpansion Range: Approx. 22.2-25.4mm/0.87-1inApplicable Front Forks: 25.4mm/1in and 28.6mm/1.12in Outer Diameter Carbon Fiber Forks and Mountain Suspension ForksPackage List1 x Expansion Hanging Core1 x Screw1 xHeadset Cover