g650 20 inch foldable electric bike 400w motor 10.4ah/14.5ah li-ion battery 5 level trapond suspension full suspension mountain bike, Silver;blue

key editor basic information default improved display without bike computer with bicycle computer pas none 5-level staircase support sensor fork oil-bearing front fork engine 36 v 300 w 48 v 400 w battery 36-v 10.4ah 48 v 10.4ah/12.8ah/14.5ah high performance lithium battery, over-protected 3 modes mode1: work by pedal and battery mode2: working by battery only mode3: pedal work only loading 5 ~8 h pigeon derailleur shimin0. rear shiman0. crankcase al...