Police are appealing for witnesses following a fatal collision on the B1150 in Coltishall on May 2.
A triathlon time trial bike was being ridden towards North Walsham, near the junction of Ling Way on the B1150 North Walsham Road, when the rider was involved in a collision with a black Ford Kuga around 3.30pm.
The cyclist, a man aged in his 50s, was taken to the Norfolk and Norwich University Hospital with serious injuries and died on May 9.
Police are appealing for anyone who may have witnessed the collision or the manner of driving of either the rider or driver prior to the collision to come forward.
Anyone with information or dashcam footage should contact the Serious Collision Investigation Unit by calling 101 or by emailing SCIU@norfolk.pnn.police.uk quoting incident NC-02052021-257.