We are offering Brushless Hub Motor. Technical ParamatersThe frame is alloy with hydraulic-pressure front forkSix gear multi-speeds 28inch spoke wheel, M-finish Rim36V, 8Ah LiFePO4 lithium battery, 12V x 3 battery packCharge time is 6 - 8 hoursNet weight : 23kg36v 250w brushless hub motor, with gear and high speedDistance per charge is 30-40km1:1 assistant transmission with pedalFront U-brake and rear mini-drum brake--safe and no noiseThe battery can be charged at least 1000 circlesAssistant startShape dimension : 1, 830 x 610 x 1, 000mmCarton dimension : 1, 510 x 325 x 800mm.