Officers are appealing for witnesses following a collision in the village of Burghill in Herefordshire.
The collision happened at around 9.35am on Monday 1 May and involved a green Trek electric assisted pedal cycle.
The bike was travelling along Burghill Lane in the direction of Hereford when the collision happened.
The rider of the bike, a 60-year-old man, was air-lifted to Hereford County Hospital in a life-threatening condition.
PC Kris Cooke, Operations Policing unit said: “I would like to appeal to anyone who was in the area at the time of the collision who may of witnessed the collision or has any information or dash-cam footage which may help with the investigation to call me on 07773 053658 or 101 extension 7722045 or by email Kristoffer.cooke@westmercia.police.uk”
