ebike 48v electric bicycles 500 w mountain bike electric bicycles fat tire 48v15ah lithium battery electric bicycle, Silver;blue

mx20-plus table configuration color: black whitt battery capacity: 15ah loading time: 7-8hours range of kilometres: pure electric 30-40 km engine power: borstellose 48v 500w speed shift:7 speed band specifications: 20*4.0 frame material: aluminium seat tube material: height adjustable range aluminium alloy, 80-115cm suitable for the crowd: 160cm-190cm preface material: aluminium maximum load capacity: 180kg forward damping type: spring shock absorption braking system: fron...