The Police Service of Northern Ireland can confirm a man has died following a two vehicle road traffic collision in Ballymena on Wednesday, 22nd November.
David Blayney, who was 53 and from the Ballymena area, was taken to hospital for treatment to life-threatening injuries.
He passed away in hospital on Friday.
The collision, involving a Honda motorcycle and Honda CR-Z car occurred at approximately 5.45pm on the Cullybackey Road at the junction with the Teeshan Road.
Mr Blayney was the rider of the motorcycle.
A 25-year-old man, arrested following the collision has been bailed to allow for further enquiries.
A full investigation into the circumstances surrounding what happened is ongoing.
Officers would appeal to anyone with any information or who may have dash-cam or mobile phone footage available to contact them by dialling 101.
