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Maxfoot MF-25 Electric Commuter Bike vs VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849

The VIVI MT20UL is the better buy for most commuters. It costs $449.99 at VIVI as of November 3, 2026, about $49 less than the Maxfoot MF-25 at $499.00 as of October 31, 2026. Pick the Maxfoot only if you want a full-size, non-folding bike with a 300 lb payload and a low step-thru frame. Pick the VIVI if you need to fold the bike, want fat tires for rough pavement, or want the lower price.

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Maxfoot
Maxfoot MF-25 Electric Commuter Bike

Maxfoot MF-25 Electric Commuter Bike

4.9· 75 ratings

Choose the Maxfoot MF-25 if you want a full-size low step-thru commuter with a 300 lb payload and a 25 kg rear rack, and you don't need to fold it.

Pros
  • Full-size frame with upright cruiser geometry for long commutes
  • 300 lb payload and a 25 kg rear rack for cargo
  • 1100W peak power handles overpasses and headwinds
  • Low step-thru frame is easy to mount in work clothes
  • Cons
    • Costs $49 more than the VIVI at current prices
    • Does not fold, so it is harder to store or carry
    • Steel frame is heavy
    • Battery capacity, range and weight are not stated in the listing
    VIVI
    VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849

    VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849

    4.8· 500 ratings
    $449.99at VIVIObserved Nov 3, 2026, 2:00 PM
    Visit store

    Choose the VIVI MT20UL if you want a folding fat-tire e-bike with a removable 499 Wh battery, 65 Nm of torque and a lower price.

    Pros
    • Folds for storage in small apartments or car trunks
    • Removable 499 Wh battery charges in 4-6 hours
    • Fat tires and 40 mm suspension soak up rough pavement
    • SGS certified to UL2849
    • 5 riding modes including cruise control and walk-assist
    Cons
    • 24.5 kg is heavy to carry even folded
    • 20-inch wheels roll slower than full-size wheels
    • Mechanical disc brakes, not hydraulic
    • 150 kg payload is lower than the Maxfoot's 300 lbs

    What separates them

    Maxfoot MF-25 Electric Commuter BikeVIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849
    Price$499.00 as of October 31, 2026$449.99 at VIVI as of November 3, 2026
    FrameFull-size steel step-thru, does not foldFolding high-carbon steel step-thru
    Motor500W rated, 1100W peak1000W peak hub motor, 65 Nm torque
    Battery and rangeNot stated in the listing48V 10.4Ah, 499.2 Wh removable, 44-50 miles in pedal assist
    Tires and wheelsStandard hybrid tires, front suspension20 x 3.0 in anti-puncture fat tires, 40 mm fork travel
    Payload300 lbs total, 25 kg rack150 kg / 330 lbs
    WeightNot stated in the listing24.5 kg (about 54 lbs)
    Safety certificationNot stated in the listingSGS certified to UL2849

    Price history

    $499.00$349.99
    Oct 30Nov 3
    • Maxfoot MF-25 Electric Commuter Bike: lowest $499.00 on Oct 31 at maxfoot.bike; $499.00 on Nov 1.
    • VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849: lowest $349.99 on Nov 1 at Amazon; $469.99 on Nov 3.

    Prices at every store

    Maxfoot MF-25 Electric Commuter Bike

    • MaxFoot Electric BikeCheck price at MaxFoot Electric Bike
    • maxfoot.bikeCheck price at maxfoot.bike
    Prices and history →

    VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849

    • VIVINew

      In stockReturn policy

      $449.99Observed Nov 3, 2026, 2:00 PM
      Visit store

    Also available at

    • VIVICheck price at VIVI
    • AmazonCheck price at Amazon
    Prices and history →

    Specs compared

    SpecMaxfoot MF-25 Electric Commuter BikeVIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849
    Peak power1100W1000 W
    Frame MaterialSteelSteel
    ColorOrangeWhite
    Suspension TypeFront SuspensionFront Suspension
    TypeHybridCruiser
    Age GroupAdultAdult
    Number Of Speeds7 speed7 speed
    Motor power500W—
    Rear rack capacity25 kg—
    Total payload300 lbs—
    GearingShimano 7 Speed—
    Motor Type—Hub-drive-rear
    Show all 40 specsShow fewer specs
    SpecMaxfoot MF-25 Electric Commuter BikeVIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849
    Torque—65 Nm
    Battery Capacity—499 Wh
    Claimed Range—80 km
    Weight—24.5 kg
    Max Payload—150 kg
    Wheel Size—20.0"
    Tire Width—3.00"
    Front Travel—40 mm
    Gears—7-speed
    Brake Type—

    What reviewers say

    Maxfoot MF-25 Electric Commuter Bike

    Rated 4.9 out of 5 from 75 ratings, so owner feedback is strongly positive overall. Buyers tend to value the easy step-thru frame and comfortable upright position for commuting.

    Pros
    • Easy mounting thanks to the low step-thru frame
    • Comfortable upright riding posture
    • Smooth ride from the front suspension
    • Useful rear rack for daily errands
    Cons
    • Heavier feel from the steel frame
    • Modest power on steep climbs

    VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849

    With 4.8 out of 5 from 500 ratings, owners largely report the MT20UL as good value for a folding fat-tire e-bike. Complaints tend to center on weight and brake upkeep rather than the motor or battery.

    Pros
    • Strong motor for the price, with usable throttle and pedal assist
    • Comfortable ride from the fat tires and front suspension
    • Folding frame and included rack and fenders add practicality
    • Battery is removable and easy to charge indoors
    Cons
    • Heavy and awkward to lift when folded
    • Mechanical disc brakes need frequent adjustment
    • Range falls well short of the claim under heavy throttle use

    Questions and answers

    Which is better for a daily city commute?
    The VIVI MT20UL suits most commuters better. It folds, has a removable battery, fat tires and a lower price. The Maxfoot MF-25 is the pick if you want a full-size frame and a 300 lb payload.
    Is the Maxfoot worth the extra $49?
    Only if you need the full-size frame, the 300 lb payload or the 25 kg rear rack. The VIVI matches or beats it on motor torque, battery spec, folding and safety certification for less money.
    Which handles rough roads better?
    The VIVI, on paper. Its 3.0-inch fat tires and 40 mm suspension fork absorb potholes and uneven pavement better than the Maxfoot's standard hybrid tires and front fork.
    Which is easier to store?
    The VIVI. It folds and weighs 24.5 kg, so it fits in a closet or car trunk. The Maxfoot is a full-size steel frame that does not fold.
    Which carries more cargo?
    The Maxfoot, slightly. It rates 300 lbs total payload with a 25 kg rear rack. The VIVI rates 150 kg (330 lbs) and has an integrated rear rack.
    Does the VIVI have a removable battery?
    Yes. The 48V 10.4Ah 499.2 Wh battery comes out for charging and takes 4-6 hours. The Maxfoot's battery is integrated and its capacity is not stated in the listing.

    More comparisons

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    Buying guides that pick them

    • Best electric bikes under $500
    • Best 20-inch folding fat tire bikes under $500
    • Best 20-inch folding electric bikes with fat tires
    • Best folding electric bikes under $600
    Mechanical-disc
    Electric—Yes
    Department—Women's
    Intended Use—Commuting
    Usage Terrain—Various terrains
    Age Range—16+
    Suitable Terrain—Various terrains
    Typical Users—Commuters
    Range—44-50 miles
    Riding Style—Urban commuting, Casual cruising, Excursions
    Load Capacity—150 kg / 330 Ibs
    Bike Type—Electric Bike, Folding Electric Bike
    Design Material—6061 Aluminum Alloy (Frame)
    Design Highlights—Folding, Waterproof Integration Cable
    Dimensions—83x59cm / 32.7x23.2inch (Folding Dimensions)
    Design Style—Urban commuting
    Front Suspension Travel—60 mm
    Front Suspension Type—Coil Spring
    Suspension Fork—Coil Spring Suspension Fork