It can be repaired, but it is recommended to replace it. Use a sponge and cloth to pad the recessed position first, and then use a hammer to flatten the recessed position. The pits will definitely be uneven after flattening. It doesn't matter, you can use putty, which is what you use when you brush the sheet metal reinforcement. When you use it on the wheel hub, you will find the circle. After the uneven place is repaired and leveled, the inner side of the hub is roughened with sandpaper to prepare for the next painting. Let the putty dry in the sun. The next step is like painting a car. Integral spray wheel hub. Because the original wheel hub is the color of aluminum alloy itself, any painting can't reach it, only the whole painting. Paint all the interior of the hub with automatic painting close to the primary color of the hub. When the paint dried, a "new" wheel hub was born.