Cue the music: "New York, New York! It's a wonderful town...."
Ugh!

Maybe if he'd had one of those whip-thingies on his handlebar, he could have smacked them in the face and loosened a few teeth; at least get a couple of good ones in before gettin' thumped.
I don't think I'd ever travel to New Yawk without some sort of weapon to defend myself (extending baton, mace, pepper spray, etc.). Once knew a man who lived there and carried a squirt gun filled with ammonia and used it once on a mugger's face/eyes to stop an attack.