Roger, a passer-by who went to help the victim said he vomited blood despite assistance.
According to the white sedan car driver, he was turning into Buangkok Green from Hougang St 93 when he crashed into the e-bike rider, 57-year-old Ng Cheo Kok.
The driver appeared dazed after the incident.
The victim was sent to Tan Tock Seng Hospital but later died from his injuries.
The incident took place on Monday (13 Feb) at about 8.10pm.
This is the third fatal accident involving e-bikes in the recent months.