A 49-year-old man was struck and killed by an e-bike while crossing the street in Brooklyn on Friday, according to police.

Luis Cruz was walloped by the electric bicycle while walking across Franklin Street in Greenpoint at around 7:45 p.m. Friday night, the NYPD told The Post.

The victim, who lives in neighboring Williamsburg, suffered severe head trauma and was taken to Bellevue Hospital in critical condition where he would later be declared dead.

The e-bike rider remained at the scene of the accident and he was not arrested or charged with a crime, according to cops. No criminality is suspected.

Franklin Street was closed off for several hours after the accident as police conducted their investigation.