Police were called to Romford Road around 11pm yesterday (October 15).
Officers arrived with paramedics who rushed the 27-year-old man to hospital “as a priority”.
His injuries are thought not to be life-threatening or changing.
There have been no arrests as police appeal to the public for information on the incident.
A London Ambulance Service spokesperson said: “We were called at 10.57pm yesterday (15 October) to reports of a road traffic collision at the junction of Romford Road and Katherine Road, Forest Gate.
“We sent an ambulance crew to the scene.
“We treated a man before taking him to a major trauma centre as a priority.”
A Met Police spokesperson said: “On Wednesday, 15 October at 23:00hrs police were called to Romford Road, E7 following reports of a road traffic collision between a car and a cyclist.
“Met officers attended the scene and assisted with road closures.
“The cyclist, a 27-year-old man was taken to hospital by the London Ambulance Service.
“His injuries are not believed to be life-threatening.
“At this stage, there has been no arrest.
“If you saw the incident, or have any dash cam footage that can assist with the investigation, then please call police on 101 stating CAD8548/15Oct.”
