A 24-year-old woman from Crowborough has been arrested on suspicion of causing death by dangerous driving after a collision in Eridge Green on Tuesday (March 23).
A blue Ford KA and a black Sinnis Apachi motorcycle reportedly collided on the A26 Eridge Road, at the junction with Groombridge Lane, at around 10.10pm.
Police said the motorcyclist, a 24-year-old man from Tonbridge, was taken to Kings College Hospital in London, where he later died.
Next of kin have been informed.
The driver of the Ford KA remained in custody on Wednesday (March 24) afternoon.
Anyone with information is asked to contact police on 101, quoting reference Operation Sound.