This aluminum wheel hub features an international pattern. It's designed for a 40mm axle and has a 92mm width, offering great performance and durability.

To use this wheel hub, simply fit it onto your 40mm axle. Make sure it's properly aligned and tightened. When using, avoid hitting it against hard objects to prevent damage. For maintenance, clean it regularly with a mild cleaner and dry it thoroughly. Check the tightness of the connections from time to time to ensure safety.