What about Erich von Zipper and the Ratz and Mice?
The photos that have been posted, really wouldn’t look much different than a motorcycle gang in 1962.
And of course, 1% means the 1% that are bad guys, criminals, of all those who ride motorcycles.
I like Lee Marvin in that movie the Wild One, Hank Kimbell is in that movie too.
Mongols formed because the Hell’s Angels mainly wanted white members. Mongols so have some of your minority types.
What about Erich von Zipper and the Ratz and Mice?