1. Golden Motor Aluminum Alloy bike frame -- Foldable 2. New Smart Pie 400W Rear motor 20'' wheel 3. 36V12AH LiFePO4 battery w

why is the electric bike so popular?

Configuration:1. Golden Motor Aluminum Alloy bike frame -- Foldable (White color) 2. New Smart Pie 400W Rear motor 20'' wheel 3. 36V12AH LiFePO4 battery with 2A charger4. Water-proof integral wiring set with silver plated Plug-pins 5. Variable speed Thumb throttle with battery level indicator 6. Cruise speed control button 7. 6 speed Shimano Tourney derailleur & shifter system8. Front & Rear disc brake system 9. 1:1 Pedelec Assist System(Speed sensor)(optional)10. LED headlight&Tail light11. Removable battery pack 12. Battery lock with key startMeasurement: 93cm*38cm*71cm / Gross Weight: 32kg