For chrome plated steel wheels, I use Bar Keepers Friend.
It's a scouring powder, sort of. You can usually find it with the Bon Ami in hardware stores, Walmart, or some grocery stores. Like Bon Ami, it won't scratch chrome the way regular scouring powder will.
Bar Keepers Friend cleans chrome and steel great. Use it with a scrub brush to get into all the crevices. It will remove rust, as it claims on the can.
I haven't tried it on aluminum yet, but for steel wheels it's great.
Loren