Otto Bock Start M4 XXL Lightweight Folding Wheelchair. Designed to be the more robust of the lightweight models with its sturdy double crossbrace and reinforced rear wheels it can carry up to 160kg and withstand extreme stress and strain. Optional back stabiliser bar improves stability and can be swung out of the way for folding. Comes in seat size 50.5cm, 55.5cm, 58cm. ISO 7176-19 approved. Maximum user weight 160kg