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SF20 Step-Thru Folding Fat Tire E-Bike

SF20 Step-Thru Folding Fat Tire E-Bike

Excluding Sales Tax |


VTUVIA SF20H, a versatile UL2849 Certified 20-inch, 750-watt step-thru foldable fat tire electric bike. Equipped with a removable 48V*13AH battery.



Power Up Your Adventures

SF20 is the perfect companion for trips and urban adventures. With its powerful 750W motor and 48V 13Ah removable battery, this bike provides a range of up to 48 miles on a single charge.


Rear Hub Motor



Max Torque



Intelligent Pedal Assist


48 Miles




SF20 and SF20H (Pro)

The SF20H is a new upgrade from our super popular SF20. It has an integrated welded rear rack for extra sturdyness and stability when riding with a lots of gear. Another major difference is the reduced span height of only 15.4 inches which means getting on and off this ebike is even easier than before!

  • New Frame
  • Even Sturdier
  • Welded
  • Rear Rack
  • Easy Access
  • Lowest Span Height
  • More Gear
  • Load Up Even More


Unfold The World of Easy Riding

Experience effortless riding with the SF20 Folding Electric Bike. The user-friendly half-twist throttle ensures easy operation, while the fat tires provide exceptional balance and suspension, delivering a smooth and comfortable ride. Plus, the convenient folding Step-Thru frame allows for easy mounting and dismounting, making every journey a breeze. When you're not using it, the bike conveniently folds away for simple storage and portability.


Step-thru Frame


20'' * 4.0 Tires

60 TPI Fat Tires


7 Gears



Half Twist




Experience the convenience and versatility of the SF20 Folding Electric Bike. Whether you're exploring the city streets or embarking on an outdoor adventure, this compact foldable electric bike is ready to take you there with style and power.



  • Measurements

    A Total Length 65"
    B Handlebar Height 44-48.4"
    C Wheelbase 45"
    D Minimum Seat Height 29"
    E Maximum Seat Height 34"
    F Chain Stay Length 19"
    G Standover Height 16"
    H Top Tube Length 22.5"
    I Wheel Diameter 23
    J Head Tube Length 4
    K Handlebar Length 24"
      Foldable Size 28.7(L)*33.8(H)*12.2(W)
  • Specifications

    Motor 48V*750W rear hub motor
    Battery 48V 13Ah removable lithium battery
    Throttle Half twist throttle
    Ranges 48 miles
    Battery Weight 9.35 lbs
    Recommended Height 5'3"-6'2"
    Max Load 330 lbs
    Bike Weight 70 lbs (battery included)
    Charger US standard 2.0 A smart charger
    Charging Time 5-6 hours
    Light LED Front Light
    Tires 20" * 4.0 60 TPI Fat Tires
    Pedal Assist 0~5 levels
    Front Fork Suspension Front Fork
    Derailleur Shimano 7 Gears Rear Derailleur
    Brake Type Mechanical Disc Brakes


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