The Metropolitan Police Service was called just before 9pm on Friday, November 21 after reports of a crash involving a motorbike and three cars on Main Road.
The rider of the motorbike, a man in his 20s, was taken to hospital in a life-threatening condition.
Police confirmed today (November 25) that he died from his injuries on Sunday, November 23.
His family have been informed.
The driver of one of the cars, a 21-year-old woman, was arrested on suspicion of causing serious injury by dangerous driving.
She was taken to hospital and later bailed pending further enquiries.
Her injuries were not life-threatening or life changing.
Investigation continues.
If you have any information or dashcam footage that could help police, please call 101 quoting CAD 7305/21Nov.
A spokesperson for the Met Police said: “We were called at 20:58hrs on Friday, 21 November following reports of a collision involving a motorbike and three cars on Main Road, Sidcup.
“The rider of the motorbike, a man in his 20s, was taken to hospital in a life-threatening condition.
“Sadly, he died from his injuries on Sunday, 23 November. His family have been informed.
“The driver of one of the cars, a 21-year-old woman, was arrested on suspicion of causing serious injury by dangerous driving.
“She was taken to hospital and later bailed pending further enquiries.
“Her injuries were not life-threatening or life-changing.
“Enquiries continue. If you have any information or dashcam footage that could help police, please call 101 quoting CAD 7305/21Nov.”
