New answers tagged cleaning
The usual cleaners for rims are: citrus cleaner simple green isopropanol (rubbing alcohol) dish soap and water You may want to try them on your frame. Also, you may want to try a different type of brake pad to see if they reduce the dust (e.g. kool stop salmons).
Since no answers I will post my comment as an answer Car wheel cleaner. It is made to deal with brake dust. But I would not user car wheel cleaner on paint. For hard to clean on paint I use a cleaner wax.
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