Model:    V1-F21BS52
Wheel Size:    20"
Color:    White matte black, or as ordered
Net Weight:    38kg
Frame:    alloy aluminum
Handelbar Sets:    alloy aluminum  
Fork:     Alloy  Suspension Fork
Shifting Lever: 7-speed Shimano
Rear Derailleur:    Shimano
Cranksets:    52t
Freewheel: 7-speed Shimano
Chain:    anti-rusted chain
Brake:     hydraulic disc brake for front and rear
Wheel    20" spoke
Tire:     20"x4.00 
Electric configuration:
Riding mode:    PAS mode (5 Shifts) 
Pure Human Riding 
Pure electric mode (5 Shifts) 
Maximum speed:    ≤32km/h
Front light    LED powered by battery
Max Load:    180kg
Battery:    52V 21Ah Lithium battery. Samsung  or Panasonic,
     ( can be changed as the customer requires)
Charger:    Overvoltage, Overcurrent Protection,
Motor:     rear drive 750W 1000W Duel 2x 1000W brushless,Bafang. waterproof rating IP54
      
LED Display     display Battery lever  function Waterproof rating: IP54
Power assist Sensor :    Hall
Controller     intelligent control system
Wire connector:    All cables are Waterproof Integrated wires

Light 1 light 2 lights or 2 + 1 

Indicators optional extra 

Mirrors: rear view mirror a set of 2 mirrors 1 left and 1 right