The man, who was not wearing a helmet, suffered a head injury in the accident at the junction of West Boulevard and Quinton Road West just before 7pm.
An advanced community paramedic, a paramedic area support officer, an ambulance crew and the MERIT trauma team consisting of a trauma doctor and critical care practitioner attended to the injured man.
A West Midlands Ambulance Service spokesman said: “[The man] was sedated at the scene and, accompanied by the MERIT team, was quickly taken to the major trauma centre at Queen Elizabeth Hospital and its awaiting consultant anaesthetist.”
Any witnesses to the accident should call West Midlands Police on 101.
Image West Midlands Ambulance Service NHS Trust