A lot of work but... Before: After: The inside looks good, too. I had to use a drill with a wire brush, and there was discoloration under the rust, but it came off.
I need to put some used tires on some mag wheels for a motorcycle trailer. My dad is giving me the trailer and the wheels, and one of the wheels has no tire, and is a bit rusty: I can clean the rust off, but I am worried that because it extends onto the edge of the rim, it might not...