The incident happened in Romford Road near the junction with Crosby Road (credit: Google Maps)
The man, who is aged in his 30s, is in critical condition in hospital after the collision in the early hours of this morning.
Emergency services rushed to Romford Road, near the junction with Crosby Road, at around 3.20am, following reports that a car had been involved in a collision with a bike.
The driver of the car involved did not stop at the scene. Police believe the vehicle was a grey Audi.
An investigation is underway to establish the full circumstances and trace the driver of the car.
Anyone who witnessed the collision or has relevant dashcam footage is asked to call Chadwell Heath Traffic Garage on 020 8597 4874, quoting ref 961/24Jul.
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Tags: Newham, Stratford, Forest Gate, Maryland