My shifters don't look as bad as yours but still have tons of "spots" on them that I can not get off. My handlebar leavers are just as bad. I've tried every metal polish I could get hold of with no luck.
2011 Cross Roads Sunset Red
OEM short windshield, passenger backrest, crash bars, saddle bag bars, heated grips, vinyl closeouts, tachometer, ambient temp, LED headlight, luggage rack. WD lay down licence plate.