Russian road rage

They have a helmet, you don't go fight a biker barehanded, unless you know some takedowns and limb breaking stuff

Even seen on TV

This is why you never pick a fight with bikers. If they can pick up a 2-300 pound motorbike, laying your thick-headed ass out will be child's play for them. Further..you really expect to pick, and win, a fight with someone who's essentially wearing fucking body armor? He Fucked around and Found out the hard way. Dumbass.