Meguiar's  G180124 Ultimate All Wheel Cleaner 24oz

FAST ACTING: Active gel quickly dissolves heavy brake dust and turns purple as it dissolves brake dust
PRISTINE WHEELS: Tough on road grime and dirt, but not your wheels
SAFE FOR ALL WHEELS: Acid free and pH balanced - safe for all wheel finishes
EASY ON BRAKES: Safe on painted brake components
THE BEST WHEEL CLEANER: Delivers powerful cleaning, yet gentle and safe