Material: Foldable frame made of 6061 aluminum alloy Motor: Hub motor made of magnesium alloy Torque: 75 Nm Sensor: Torque sensor Brakes: 160 mm hydraulic disc brake Operating system: Shimano Altus 8-speed Shock absorbers: Front and rear shock absorbers Display: Color LCD screen Unrestricted (throttle disabled by default): 25 km/h (unlimited: 32 km/h) Pure electric mode, maximum range: 49 km Assisted mode, maximum range: 110 km Battery: 52V 16Ah lithium-ion battery Tires: 20x4.0" Suitable terrain: City/Mountain Maximum load: 150 kg Maximum climbing angle: 10° Charging time: About 5.5 hours Rider height: 165 ~ 190 cm Payload: 150 kg (330) Net weight: 31.6 kg Gross weight: 39.8 kg Packaging dimensions (L/W): 144*32*72 cm Vehicle dimensions (length/height): 175*57*123 cm Dimensions when the vehicle is folded (L/w): 104*55*84 cm