The crash happened around 2:47 a.m. in the 200 block of South Larkin Avenue in Joliet, police said.
A 56-year-old man was riding a bicycle when he was involved in a crash with a vehicle that then fled the scene, police said.
The victim was identified as Donald Shiner of Joliet by the Will County Coroner's Office.
He was taken to a local hospital by the fire department, where he later died.
READ ALSO | Bicyclist killed in hit-and-run crash in Joliet, police say
The suspect's vehicle has not yet been located. Joliet police continue to investigate.
SEE ALSO | Man fatally shot at home in Joliet, police say