A 34-year-old bicyclist was fatally struck by a car in Brooklyn on Friday morning, according to police.

Lauren Davis was traveling southbound on Classon Avenue in Clinton Hill at about 8:40 a.m. when a red 2015 Fiat turning left from Classon onto Lexington ­Avenue slammed into her, cops said.

Police found Davis lying in the street. Emergency responders rushed the woman to Brooklyn Hospital, where she died around 9:05 a.m., police said.

The driver, a 41-year-old woman, remained at the scene and no arrests were made.

The driver “was in acute shock and then fainted,” a witness told The Post. She was treated at the scene.