... behind,take 150KG family type 350W Three wheel Electric bicycle strong electric bike battery power electric bike Li-ion e-bike Model:KTN-004 ... electric tricycleMotor brushless hub gearless motor 36V 250W/350W or geared ... .0KGS, G.W:42.0KGS 350W Three wheel Electric tricycle ,bicycle strong electric bike battery power electric bike Li-ion e-bike, KTN-004