The collision happened on Upper Dolfor Road – between Newtown and Dolfor – shortly before 10.15am yesterday (June 17).
The BMW motorbike was travelling towards Newtown in a group of motorcycles. Officers were concerned for the group’s manner of driving and pulled them over. The rider made off from officers and lost control in a set of bends. There was no pursuit.
Ambulance attended and the man driving was taken to hospital with broken bones and a collapsed lung.
The road was closed for several hours and the incident was cleared by 3.30pm.
Officers are investigating and appealing for witnesses who saw the motorbike before the collision.
Anyone with information is urged to contact PC 716 Davies at Newtown Roads Policing Unit by calling 101.