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*The specific use effect depends on the user's weight, road condition, weather and temperature and other factors.
FOLDDING FRAME
The QSEB04 frame and fork is made of industry grade Aluminum Grade 6061.   Our new design is sleek, light and strong enough for a Cyclist weighing 110kg to feel comfortable on it.
MULTIFUNCTIONAL LCD 
The on-board computer lets you easily see your speed and battery life remaining, the multifuntional intergraded computer offers you with four choices of either riding with PAS, or with the Cruise Control Mode, Pedal like a normal bicycle or throttle mode (available).  The intuitive sensor can detect every mode and precisely respond creating a seamless riding experience.
BATTERY

The QSEB04 distinctive look is achieved through the work and dedication of our designers and engineers combined efforts to strategically place the Lithium battery within the seat-post, integrating functionality and design to power the e-bike.

PAS RIDING SYSTEM
Our multifunction fully integrated large LCD display features a 12 point sensor and “FOC”  technology (Field Oriented Control). With FOC we can control and drive motors with higher efficiency and less noise and operates in sync with our PAS “Pedal Assist System”. 
MOTOR
Customized 350W(500W available)high speed geared brushless motor with enough pulling power so you can effortlessly conquer an 18° climb.  Brushless motors are smoother, more efficient and no magnetic drag when you ride the bike without any power.
Parameter
Model name: QSEB04
Size:65.5*25.5*46.5inch
Folding Size: 35.5*22*29.5inch
Wheelbase:43.5inch
Net weight: 51lbs
Range: 62.5Miles ( PAS )
Max. load: 300lbs
Max. speed: 20MPH
Charging time: 7 Hrs
Battery type: Samsung Lithiumion
Battery capacity: 36V 14Ah
Noise : < 62 dB(A)
Motor: MXUS 350W brushlessgeared DC motor
Rated output power: 350W
Motor efficiency: ≥ 78%
Rated RPM: 310±10r/min
Rated voltage: 36V
Max torque: 40N.m
Overcurrent protection: 15±1A
Low-voltage protection: 30±1V
Kwh: <1.2Kw.h
Modes: 5 levels
Tire diameter: 20x4.25 inch
Frame: 20 inch 6061 Al-Alloyfoldable
Front fork: 20 inch 6061 Al-Alloy
Brakes: 160mm disc brakes
Rim: 20 inch Al-Alloy 12G36H
Tire: Kenda 20x4.25"
Chain wheel: Prowheel 52T
Free wheel: Shimano 14-28T
Derailleur: Shimano 7 speed
Chain: KMC
Handle bar: Promax
Display: Kunteng LCD
Controller: Kunteng sine waveFOC
Brake levers: Al-Alloy e-bikelever
Saddle: KNUS
Pedal: foldable pedals
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