1. Lead-acid 48/20, lithium battery 48/28A
2. Front and rear 110 drum brakes
3.9-tube controller, 20-inch 500W motor, 20*2.5 vacuum tires, 20-inch aluminum front wheels
4. USB mobile phone charging, Bluetooth speaker, one-click repair, three-speed shift knob.
5. Double-crank alarm
6. Color digital instruments, LED headlights
7. Double shoulder forks, airbag shock absorption, and reinforced frame
