Electric system 

Motor:   8FUN High-speed brushless geared motor  250W
             Optional 180W
Battery:  36V/9Ah, NCM Lithium battery, Panasonic battery cell  
             Optional: 24V/10Ah  , 36V/10Ah LiFePo4
PAS(pedal assitant system): 1:3 optical torque PAS
optional:    70%/90%torque PAS control board
Controllor: intelligent brushless controllor
Charger:    AC 100V -240V 2amps 
charge time:    4-6 hrs
Speed adjusting:handle rotating（optional）

Capability 
Maximum speed:         25km/h (Euro),35km/h (USA & Canada).
Diatance per charge:    36V/9Ah   60km.
                                   24V/10Ah  75km.
                                   36V/10Ah  85km.
Loading 125kgs
net weight: 30kgs
gross weight: 35kgs
Package size: 193×23×101cm

parts 
Frame:             aluminum alloy 7005 T6
tire:                  28" X 1.75 /1.95  USA : CHENG SHIN TIRE
                       Optional: KENDA
Rims:          Double walled-aluminum alloy.CNC side-walled
Front fork:  ZOOM,comfort-enhancing suspension aluminum alloy fork
Front brake:  disk brake(aluminum alloy)
Rear brake:     Shimano  roller brake
Free wheel:     Shimano  14T
Deflector rod:  Shimano SL-3S35
rear derailleur: Shimano SG-3R40 3-speed internal
Handle grip  ZOOM aluminum alloy
Spokes:        stainless steel  12G  SLE Spoke
handle bar:    ZOOM aluminum alloy instant-adjusting  
Brake rod:    aluminum alloy，with safety switch cut out
Chain:           KMC-Z410
Chain wheel:  Steal，42T , aluminum alloy crank
Fender:          PP plastic
Rear carrier:  aluminum alloy
Saddle:          leisure
Seat post:      ZOOM aluminum alloy
Pedal:           aluminum alloy，special for moutain riding with reflector
Lights:           Dynamo Sestem 6V Front-2.4W,Rear-0.6W
Optional allocation: intrument,repairing tools bottle