I've had: Knuckleheads, Panheads, both styles of Shovelheads, Ironhead Sportsters, Evo Sportsters, Evo Big Twins, 45" flatheads, 74" Chief flatheads, Scouts, BSAs, Triumphs, Henderson, Excelsior, BMW, Hondas, Kawasakis, Yamahas, Suzukis, Benelli, Hodaka, Husqvarna, even had a Puch for awhile.
I've got a beat to s**t Panhead, a beat to s**t Honda 250 Scrambler turned tracker/cafe cross (shame the ultra-rare CL72 was already cut up when I got it), a Rickman Zundapp that is slated to get a Benelli 2 stroke engine, and a heavily butchered Savage.
This one:
It now has a set of 800 Intruder rear shocks, so the back end sits a good bit higher. But, that photo came out like crap.
You can do anything with these bikes and 99% of the time they will take it.