Best Moped Electric Bike
Best Moped Electric Bike S4
Euy S4
Two people riding together Euybike S4 moped electric bike
Riding the Euybike S4 in the dirt
Euybike S4 Electric Dirt Bike
Riding Euybike S4 to Jump
Euybike S4 Electric Bike for Adventure

S4 Long Range Moped-Style Electric Bike

Regular price€1.599,00
Tax included. Shipping calculated at checkout.

Free Accessories Included

  • S4 Seat Extension
    $39.00 USD FREE
  • Euy E-bike Full Fenders
    $89.00 USD FREE
  • 16 in 1 Repair Multi Tool
    $15.00 USD FREE
  • The Euybike S4 electric bike combines the speed of a moped with the pedal-assist design of a bicycle to make your ride fun.

    - EUY eBikes are free shipping in the US and are 95% assembled. Just unfold the folded electric bike and ride it.
    - All EUY electric bikes come with a one-year warranty.

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    • Free Shipping

      Fast shipping within 24 hours

    • 1 Year Warranty

      Buy with confidence

    • Fast Support

      Reply within 8 hours

    • 14-Day Return

      Free returns within 14 days

    Moped Your Way To Fun!

    Euy S4 E-bike

    The S4 moped-style electric bike is perfect for commuters, weekend adventurers, and urban explorers. It has a powerful 250W high torque motor and a 48V 21Ah battery. It has an adjustable 5 Levels pedal assist system and a full suspension that provides a comfortable and stable ride.

    • 250 W

      Geared Hub Motor

    • 48V 21Ah

      Battery Capacity

    • 8-9 Hours

      Charging Time

    • 112 KM

      Estimate Range

    • 400 Lbs

      Payload Capacity

    • 7 Speed

      Gear Shift

    • Moped Your Way To Fun!

      48V 21AH Battery 250W Strong Power Full-Suspension Moped-style Design
      S4 Moped Style electric bike in Daylight
    • Moped Your Way To Fun!

      48V 21AH Battery 250W Strong Power Full-Suspension Moped-style Design
      S4 Moped Style electric bike in night
    • Light
    • Dark

    Superior Battery, Goes the Distance

    Equipped with a high-capacity 48V 21Ah lithium battery, the Euybike S4 ensures that your adventures know no bounds. When the e-bike is fully charged, it can ride up to 64 km in throttle mode and up to 112 km in pedal assist mode. With its perfect IPX4 water resistance rating and lockable battery, the Euybike S4 e-bike is safer and more reliable when riding.


    Per Charge

    1008 Wh

    Total Battery Capacity

    8-9 Hours

    To Fully Charge

    Powerful 250W Brushless Motor

    Euybike S4 uses an upgraded version of a 250W brushless gear hub motor, offering the perfect power. With its fast acceleration and goodgrade ability, you can effortlessly conquer the roughest and most challenging terrain. Riding on a 20-30 degree hill will not noticeably slow down.


    Motor Power


    Max Motor Torque

    Multifunctional LCD

    Stay in control and on track with the intuitive LCD of the Euybike S4. Access real-time ride data such as odometer, and speedometer, monitor battery status, and customize your ride settings at your fingertips, ensuring a personalized riding experience. And with USB Charging, you can charge your dead phone.


    Displays the current riding speed.

    Battery Capacity

    A fuel gauge for your electrons.


    Calculate how many miles you ride.

    Gear meter

    5 levels of gear adjustment

    USB Charging

    Charge your phone anytime

    Hydraulic Disc Brake: All-weather Stopping Power

    The hydraulic brakes effectively stop the bike in any weather condition.
    Upgraded 180mm disc brake rotor provides faster braking and an average braking distance of 18'-11". Whether navigating urban streets or descending rugged slopes, the reliable braking performance ensures your peace of mind and confidence on every ride.


    Average Stopping Distance

    180 mm


    Best Moped Style S4 E bike Suspension Front Fork

    Adjustable Double Crown Suspension Front Fork

    Upgraded adjustable double crown suspension forks absorb vibrations and shocks for a smoother, more comfortable ride.
    Euybike S4 Moped E bike 7 Speed Gear Shift System


    The Shimano 7-speed gear shift system is designed to provide a seamless experience for riding through different terrain. You can shift to different gear for climbing uphill or high-speed riding, making uphill climbs easier for the rider.
    S4 E Bike Twist Throttle

    Half Twist Throttle

    The half-twist throttle ensures smooth and controlled acceleration, reduces fatigue, and prevents accidental activation.
    Moped E bike LED Headlight

    LED Angel Eyes Headlight

    The advanced lighting system of racing motorcycles utilizes a level LED bright headlight circle, offering high brightness and low energy consumption. The irradiation range is far, improving the safety of night riding.

    Mid-mounted Shock Absorber

    The mid-mounted shock absorber can effectively absorb the bumps when riding on mountainous terrain, providing a comfortable riding experience.


    Hydraulic brakes allow you to brake quickly and powerfully while saving effort. No matter the weather and terrain, it can stop the bike effectively.
    Moped eBike Cst Fat Tires

    20" X 4.0" CST FAT TIRES

    Provide better balance and enhanced resistance to punctures. The complex pattern makes the bike more anti-slip and can be ridden on any terrain.


    Made of high-strength aluminum alloy and with a stylish appearance. Lightweight design, adding no heaviness to your bike, makes riding more relaxing.


    With an always-on taillight remind other bikes behind you to keep their distance. The brake lights will automatically flash when you brake, safer to ride at night.


    • Brand EUY

    • Battery 48V 21Ah lithium battery

    • Battery weight 7.7 lbs

    • Range 60~64KM (throttle)

    • Range 108-112KM (pas)

    • Hub Motor 250W rear hub motor

    • Maximum load 400 lbs

    • Recommended Rider Heights 5'7" ~ 6'5"

    • Pedal Assist Intelligent 5 Pedal-Assist levels

    • Model S4

    • Charger 48V/2A

    • Battery size 13.8" * 5.5" * 3.6"

    • Charging Time 9~10 Hours

    • Display LCD display

    • Top speed 25KM/H (legally required in EU)

    • Max torque 96 N.m

    • Weight 74.5 lbs (with battery)

    • Weight  66.8 lbs (without battery)


    • Tires 20" x4.0" fat tires

    • Wheels Spoke wheels

    • Throttle Twist throttle

    • Brake lever Grip levers with motor cutoff switch

    • Freewheel Shimano 7 speed gear shift

    • Brake Logan 180mm hydraulic brakes

    • Chain KMC chain

    • Pedal Pedals with reflectors

    • Frame High-Carbon Steel Frame

    • Front Fork Dual crown suspension Fork with lockout and adjustment

    • Front Light 48V LED light

    • Saddle Soft PU shock absorber seat

    • Handlebar Adjustable height

    • Fenders Plastic


    • A -- Total Length 68"
    • B -- Maximum Handlebar Height 51"
    • C -- Rear Rack Height 22"
    • D -- Maximum Seat Height 35"
    • E -- Height of upper tube 31"
    • F -- Height of lower tube 22"
    • G -- Handlebar Length 27"
    • H -- Wheel diameter 20"



    Check out these testimonials!