Enhance the durability and performance of your bike with this premium set of Axis Screw Nuts, expertly crafted from high-strength aluminum alloy. Designed for integrated chainwheels, these corrosion-resistant nuts provide reliable fastening while protecting your bike components from damage. Lightweight and easy to install, they are an essential accessory for any cycling enthusiast looking to maintain or upgrade their bike chainwheel system. Key Features: · Durable Aluminum Alloy Construction: Made from corrosion-resistant aluminum alloy, these screw nuts offer exceptional strength and long-lasting durability for reliable performance. · Lightweight and Easy Installation: The compact and lightweight design ensures hassle-free installation and use without adding unnecessary weight to your bike. · Pressure Distribution Design: Effectively distributes the pressure of the nut over the secured part, minimizing the risk of damage and enhancing the stability of your chainwheel. · Multiple Color Options: Available in three attractive colors—red, black, and golden—allowing you to customize your bike to suit your style and preferences. · Perfect for Integrated Chainwheels: Specifically designed for integral hollow chainwheels, compatible with popular models such as FC-4500, FC-5600, and FSA chainwheels with an 18mm diameter. Specifications: · Item Type: Axis Screw Nut · Material: Aluminum Alloy · Weight: Approx. 25g · Diameter: Approx. 18mm (0.7in) · Hexagon Socket Size: 10mm wrench · Color Options: Red, Black, Golden · Application: Suitable for integrated hollow chainwheels (18mm size) Package Includes: · 3 x Axis Screw Nut for Chainwheel Note: Chainwheel screw diameters vary between 18mm and 20mm. This set is designed for 18mm diameter screws commonly found on FC-4500, FC-5600, and FSA road chainwheels. For SHIMANO 590, 596, XT, XTR, and SLX integral chainwheels, 20mm diameter nuts are required. Upgrade your bike’s chainwheel fastening system with these robust, corrosion-resistant Axis Screw Nuts, combining strength, style, and functionality for a secure and long-lasting cycling experience.