The man’s Range Rover was surrounded by several bikers on the West Side Highway on Sunday. One biker apparently cut the driver off and slammed on the brakes just before the SUV bumped his rear tire. But when the driver stopped, several bikers began to damage his SUV. Cops are investigating. A pack of bikers pummeled a driver in upper Manhattan on Sunday, after a wild chase that began with a fender bender on the West Side Highway, cops said. The brawl erupted after the victim — who was driving his wife and their young child — became surrounded by...