What are the rover wheels made of?

Rover wheels, such as those used on NASA's Mars rovers, are typically made of aluminum or other lightweight, durable metals to withstand harsh terrain and environmental conditions. The wheels often feature a design that includes treads or lugs to enhance traction on rocky surfaces. Some rovers, like the CuriOSity rover, have wheels made from a combination of aluminum and special materials to improve resilience against wear and tear. Additionally, the wheels may incorporate features like flexibility to navigate obstacles effectively.