tricycle for cargo transportation, 250w/500w electric assisted model and pedal model, 48v lead acid battery. Cargo trikePedal 1.Reinforced Steel frame, front bell 2.Tyre :front,20"X2.4 rear 24"X2.4 , aluminum rims 3.Brake system :front: V-brake, rear: Twin hydraulic disc brake4.Inner volume: 120*94*65CM5.Transmission: chain(KMC Brand)6.Roof material: 600D PVC, waterproof 7.Speed: 7 or 21 speed( ...