Durable aluminium alloy bicycle hub conversion adapter - High strength, rust-proof, deformation-resistant design for long-lasting durability. Precise machining for smooth performance - Smooth outer surface to prevent abrasion damage and provide a reliable, snug fit. Includes necessary accessories and easy to use - Front and rear hub adapter comes with the required components and is easy to install. Customer support you can rely on - Your satisfaction is our priority. If you are not satisfied or have questions, please contact us. Essential accessory for bicycle builds - The front and rear hub adapter with its required accessories supports easy building and upgrading of bicycles. Use scenarios - Building a new bicycle or upgrading an existing one and installing the hub adapter with included accessories. - Replacing worn or deformed hub adapters on daily-use bikes to restore reliability. - Maintenance or upgrades in wet or demanding conditions where a rust-resistant aluminium adapter offers long-term durability.