Mothers Professional Wheel cleaner concentrate.
Looks like a good deal compared to SCA ($99 special order) https://www.supercheapauto.com.au/p/mothers-pro-wheel-cleane...
Mothers Professional Wheel Cleaner is a biodegradable cleaning concentrate for factory/OEM wheels and hubcaps, including painted, clear coated, colour coated and chrome. Professional Wheel Cleaner does not contain hydrofluoric, sulphuric or phosphoric acids, making it safer than conventional acid cleaners. Capacity 1 gallon.
Recommended dilution for general purpose 1:10