In this video, you will learn how to use the Bicycle Path tool in Twinmotion. The path is first built using a familiar pen tool to draw points that create a path. With a path drawn, cars will begin to populate the path based on settings specific to the path. You should be able to create bicycles that follow any riding path.
https://dev.epicgames.com/community/learning/tutorials/499v/how-to-use-the-bicycle-path-twinmotion-2020