What send a picture to look from you, hub just chafed, the impact is not big, should not affect safe issue, just have in the hub on the exterior wear away apparently, this does not need concern, if if you are special,be being cared about, can look for car hairdressing inn, can repair. But look from the picture, your tire injury is a bit serious, the surface looks is damaged only together, actually the sidewall of tire is the place with the most fragile tire, potential risk is very big after getting hurt, become flat easily, if often run,the word proposal outside changes, avoid to make needless safe hidden trouble to oneself.
Hope my answer can help you, if have,examine minutely pay close attention to us please, online answer surely.
