This top - notch magnesium rear wheel hub is specifically designed for karting. It has a size of 50mm in axle diameter and 148mm in width. Featuring an international pattern, it offers great compatibility and performance for your karting needs.

Using this magnesium rear wheel hub is easy. First, make sure your kart's axle is 50mm in diameter as this hub is designed for that size. Simply fit the hub onto the axle carefully. When using, avoid hitting hard objects to prevent damage. For maintenance, clean the hub regularly with a soft cloth to keep it in good condition. Check for any signs of wear and tear from time to time, and if you notice any issues, replace the hub promptly to ensure your kart's safety and performance.