It comes after emergency services were alerted to the crash on Stamford Hill shortly after 8pm on April 24.
The crash had occurred at the junction with Northfield Road.
A 46-year-old man was confirmed to have been riding the e-bike at the time of the crash, suffering life-threatening injuries.
READ MORE: The primary schools offering free breakfast clubs in government-backed trial
According to an update from a Metropolitan Police spokesperson today (April 26), his condition is now “stable” but remains serious at this stage.
There were no other injuries in connection to the crash and no arrests have been made.
Enquiries are ongoing, and anyone with information or who witnessed the incident is asked to call police on 101 with the reference 7077/24Apr.