How Three Point Suspension Improves Power Wheelchair Comfort on Mixed Surfaces Three point suspension can improve power wheelchair comfort by helping manage the vibration and impact created when the chair moves between smooth indoor floors, pavement, thresholds, ramps, and uneven outdoor surfaces. A well-designed suspension system can also help maintain wheel contact, traction, stability, and more predictable control. When combined with suitable pneumatic tires, the effect can be especially useful for users who regularly move between indoor and outdoor environments. The Wisking 1023-39 provides a practical example of this approach, combining three-suspension positioning with pneumatic front and rear tires, dual 320W motors, 35Ah × 2 batteries, and a medium-size chassis intended for everyday mobility. However, suspension should never be considered alone.