There are several bike rental companies in Dubrovnik that offer different types of bikes for rent. Some of the popular options include City Bikes Dubrovnik, Easy Bike Transfer, and Dubrovnik Bike Rent. You can also check with your hotel or hostel for recommendations on bike rental options in the area. Make sure to inquire about rental prices, duration, and any other requirements before booking your bike rental. Enjoy exploring Dubrovnik on two wheels!