This RISK compression plug assembly are specially designed for carbon fiber forks and mountain bike suspension forks with 25.4-28.6mm outer diameter. Safely and securely compress your headset together when using a carbon fiber fork with a carbon steerer tube. It an excellent piece of kits that does what it promises. _x000D_ _x000D_ Features: _x000D_ Compression plug , made of aluminum alloy and stainless steel. _x000D_ Designed for carbon fiber forks and mountain bike suspension forks with 25.4-28.6mm outer diameter. _x000D_ Adjust the diameter from 22.2mm to 25.4mm fit into steerer tube by screwing the compression bolt. _x000D_ Securely and safely compress your headset together when using a carbon fiber forks. _x000D_ Disassemble the assembly and grease each part except the sleeve before installation. _x000D_ Easy installation with 6mm and 8mm Allen wrenches. _x000D_ _x000D_ Specifications: _x000D_ Color: Silver _x000D_ Material: Aluminum alloy + 304 Stainless steel _x000D_ Package size: 8 * 7 * 4cm / 3.1 * 2.8 * 1.6in _x000D_ _x000D_ Package List: _x000D_ 1 * Headset Compression Plug This RISK compression plug assembly are specially designed for carbon fiber forks and mountain bike suspension forks with 25.4-28.6mm outer diameter. Safely and securely compress your headset together when using a carbon fiber fork with a carbon steerer tube. It an excellent piece of kits that does what it promises. Features:Compression plug , made of aluminum alloy and stainless steel.Designed for carbon fiber forks and mountain bike suspension forks with 25.4-28.6mm outer diameter.Adjust the diameter from 22.2mm to 25.4mm fit into steerer tube by screwing the compression bolt.Securely and safely compress your headset together when using a carbon fiber forks.Disassemble the assembly and grease each part except the sleeve before installation.Easy installation with 6mm and 8mm Allen wrenches.Specifications:Color: SilverMaterial: Aluminum alloy + 304 Stainless steel Package size: 8 * 7 * 4cm / 3.1 * 2.8 * 1.6inPackage List: 1 * Headset Compression Plug