Model A8:
Specification
Colour: blue/green/black 
motor: 36v 250w brushless motor
PAS Three adjustable speed  1:1 pedal assistant  
Throttle Wuxin throttle with power key and power indicator
initiating mode PAS
Battery: SHUANGYE 36V8AH Lithium bottle  battery 
Range: 1:1 PAS mode, 40-55KM
Controller: SHUANGYE Intelligent brushless 36V250W
Charger: SHUANGYE 42V2A 100-240v input   ( European specs)
Charging time: 5-7 hours
Max speed: 25km/h 
Loading: 120kg
Frame: carbon steel
Wheel size: 26 inch 
Tyre: 26*1.95 tyre
Rim: SHUANGYE 26" aluminum alloy  double wall
Front fork: suspension steel fork 
Front brake: disc brake
Rear brake: disc brake
gear:  SHIMANO 21 Speed  with derailleur
Handle bar: 6061 Al alloy black handle bar
Brake lever: WUXIN Aluminum, cut-off electricity when braking
Chain wheel: 24-32-42T
Chain Rust: resistant chain
crankset Steel 
Saddle mountain bike saddle
Pedal aluminum
headlight  1 W LED headlight  
Certification CE EN15194
Weight N.W: 25kgs