A man was killed when he slammed his e-bike into a parked SUV in the Bronx early Thursday, cops said. 

The unidentified victim, who was not wearing a helmet, was riding “at a high rate of speed” when he struck the rear of Toyota Highlander parked on East 149th Street near Brook Avenue in Mott Haven around 12:50 a.m., cops said. 

Officers found him unconscious and unresponsive with head trauma, police said. 

He was rushed to Lincoln Medical Center, where he was pronounced dead.