Weight: 158kg(50AH) | 178kg(75AH) Weight Capacity: 180kg Front Wheel: 413*117mm Rear Wheel: 415*161mm Dim: 1850(L)*780(W)mm Per Charge Range: 37km(50AH) | 55km(75AH) Maximum Climbing: 9 degree (135kg) Maximum Speed: 17km/hr Battery Spec.: 12V/50AH *2 | 12V/75AH *2