The Alltrack M has a standard weight capacity of 300 lbs./136 kg or an HD option of 450 lbs./205 kg. Ideal for active users indoors and outdoors, this mid-wheel drive chair offers great maneuvering over daily obstacles and unsurpassed stability with its suspension and 8"/205 mm front casters (optional). It has a short turning radius, adjustable rehab seating, low seat-to-floor height to 15.75"/400 mm, R-Net electronics and 4-pole 5.9-mph (9.5 km/h) or 6.5-mph (10.5 km/h) motors. Alltrack M’s Advanced Geometric Design (A.G.D.) with GC3 technology enhances stability and comfort.