Size:161*70*102(cm) N.W:48KG Max speed:28km/h Range per charge:45km Loading:75KG Charging time:4-8h Motor power:250W Battery:48V 12AH Tire size:16X2.125 Brake system:hub brake for front wheel; band brake for rear wheel Climbing ability:10 degree Quantity:52 pcs/20ft,108 pcs/40ft