This Balancing Ring from DJI is designed for your Zenmuse X5S and Olympus 45mm f/1.8 ASPH Prime Lens. Because the weight of your camera will affect the performance of the gimbal, a Balancing Ring is needed to help stabilize shooting.
We highly recommend that you have insurance when you are flying drones. We have found that Skywatch.ai offers some of the best options for Drone Insurance.