Woman eletric bike, 28inch/700c wheel, bulit-in removeable battery case.

Specification:
Frame:    aluminum 6061 Frame 28inch
Tyres     :  28 x 1.75 tire, Kenda
Rim:  Alloy double wall Rim  28inch
Front fork:   Suntour NEX Fork,
Brake   : Front / Rear Disc brake TEKTRO
Brake Lever  : Aluminum  Alloy power off function. Tektro
Speed gears:   Shimano 7 speed 
Rear derailleur :  SHIMANO Acera M360
Shifter   :  Shimano Shifter R-7 M315
Handlebar:     Aluminum Comfortable city style  Promax
Stem:  Aluminum adjustable​ stem  Promax
Seat Post:  Aluminum  Promax (optional : suspension post)
Stand: Aluminum stronger Side Stand
Chain wheel : Aluminum Side Cover, 48t, ProWheel
Chain    : Rust resistant chain. KMC Z8.3
Pedal     : Aluminum city pedal Wuxing
Display Control :    LCD display 6-Level (0-5)  Key-Disp
Lighting : FR/ RR Power LED lamps SBC
Electric system     
Electirc Motor: Rear High Speed hub Motor 350w~750w
lithium battery :  36v/48v, 2600mah~3500mah cell
Electric Cables :      All in one cable Waterproof
Drive System 1). 1:1 Pedals Assit System,0-9 speed level
                                               2). Twist Handgrip Wuxing (optional)
Controller     : Great brushless. LISHUI
Charger  AC : 100V -240V 2amps smart charger (Optional:  3 amps)
Max load : 120kgs
Net weight    : 24.00kgs
Gross weight : 28.00kgs

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Trekking sports e-bike 20

Specification
Motor: 36V/250W BLDC motor with Hall position sensors and planetary gearbox in the rear wheel
Battery: 36V/16Ah Li-lon, lockable in frame profile
Max. speed:25km/h
Max. range per charge:80- 120 km
Load capacity:110kg
Drive system: PAS with LCD control unit KD21C
Frame: material Al 6061, size 18"
Front fork: Suntour NEX
Handlebar: straight 690mm Rims: Al 700C 622-17(28") double, 36holes
Tires: 700x40C （622-40）
Brakes: Tektro Aries (mechanical disc), discs diameter 160mm

Shifters: Shimano Acera/Altus 7sp
Rear derailleur: Shimano Acera/Altus
Freewheel: 7sp 14-28z (screw)
Centerline:4-edges
Crankset / chainring: Lasco 48z /170mm Seatpost: Promax, diameter 27,2 mm, length 300 mm

Accessories: lighting (on/off by holding the + button on LCD), mudguards, carrier, side stand
Bike weight:22kg (including battery)

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Trekking sports e-bike 19

Specification
Motor: 36V/250W BLDC motor with planetary gearbox in rear wheel
Battery: 36V/13Ah Li-lon, lockable in frame profile, USB output for phone charging, etc.Charging time: 4-6h (2A charger included)Max. speed: 25 km/h Max.
range per charge: 60 - 90 km
Load capacity: 110 kg
Drive system: five-speed pedal assist (PAS)
with LCD control unit
Frame: material Al 6061, size 18"Front fork: Suntour NEX Handlebar: width 650 mm Rims: Al 28"
double, 36holes Tires: 700x38C (622-40)
Brakes: V-brake
Shifter: Shimano Altus SL-M310 (3x7sp)
Rear derailleur and derailleur: Shimano Altus
Freewheel: 7sp (screw)
Bottom bracket: 4-edges
Crankset / chainring: 170 mm Seatpost: diameter 30.4 mm, length 265 mm

Seat: sport
Accessories: lighting (on/off by holding the + button on the LCD), mudguards, carrier, side stand
Bike weight: 22.8 kg (including battery)