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Self Propelled All Terrain Wheelchairs Self-propelled all-terrain wheelchairs are great for people who wish to explore the outdoors. They are lightweight and fold up easily. They also come with large pneumatic rear tires, similar to bicycles, that allow them to travel over rough terrain. However, the chairs can sometimes be difficult to operate on smooth surfaces. They can cause shoulder pain if the posture of the user isn't optimal. Suspension If you are unable to move it can be