1. Product Instruction
1.2 Main part description
1:Rear Brake Lever 6:Turn Taillight Button 10:LCD Display
2:Headlight Button 7:Horn Button 11:USB Port
3:Up Button 8:Switch Button 12:Derailleur
4:Mode Button 9:Down Button 13:Front Brake Lever
5:Single/Double Motor Button 14:Throttle