According to the information received, the accident occurred on Düzce Merkez Bolu Street.
The herd of motorcycles were thrown onto the road due to the impact and were injured.
Police and medical teams were dispatched to the scene upon notice from surrounding citizens.
Motorcycle driver Rasim K., who was injured in the accident, was taken to Düzce Atatürk State Hospital after first aid.
An investigation has been launched into the incident.