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VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849 vs TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike

Buy the VIVI FM20UL if you want more motor, more battery and a lighter folding frame for commuting. Buy the TotGuard Wooken if full suspension and 4.0-inch tires matter more than power and range. The VIVI is $449.99 at VIVI as of November 3, 2026; no current price was given for the TotGuard.

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VIVI
VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849

VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849

4.8· 667 ratings
$449.99at VIVIObserved Nov 3, 2026, 12:33 PM
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Choose the VIVI FM20UL if you want a 1000W peak motor, a 374Wh removable battery and a 25 kg folding aluminum frame for city commuting.

Pros
  • 1000W peak motor with 65 Nm for hills and loaded starts.
  • 44-50 mile pedal-assist range from a 374Wh battery.
  • Folding 6061 aluminum frame at 25 kg with a 150 kg payload.
  • 5 ride modes including cruise control and assist push.
  • 4.8 out of 5 from 667 ratings.
Cons
  • Only 22-25 miles on throttle alone.
  • Front coil suspension only, no rear shock.
  • 2.4-inch tires are narrower than the TotGuard's.
  • Brake type not stated in the specs.
TotGuard
TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike

TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike

4.5· 194 ratings

Choose the TotGuard Wooken if you ride rough terrain and want full suspension with 20 x 4.0-inch fat tires.

Pros
  • Full suspension: front fork plus hydraulic rear shock.
  • 20 x 4.0-inch fat tires for snow, sand and rough trails.
  • Larger 499.2Wh battery than the VIVI.
  • Shimano 7-speed with 160 mm mechanical disc brakes front and rear.
Cons
  • 500W motor, 750W peak, lower than the VIVI's 1000W.
  • 15-20 mile range on throttle per the listing, 25-35 miles in electric mode per the brand.
  • Buyer complaints include a stuck throttle, an overheating charger and flats on day one.
  • 4.5 out of 5 from 194 ratings, fewer than the VIVI.

What separates them

VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike
Motor1000W peak rear hub, 65 Nm500W hub, 750W peak, 65 Nm
Battery48V 7.8Ah, 374Wh, removable48V 10.4Ah, 499.2Wh, removable
Claimed range44-50 miles in pedal assist25-35 miles electric, 40-50 miles pedal assist
SuspensionFront coil fork, 60 mm travelFront fork plus hydraulic rear shock
Tires20 x 2.4 inch puncture-proof20 x 4.0 inch all-terrain fat
Weight25 kgNot stated
BrakesNot statedFront and rear 160 mm mechanical disc
Rating4.8 from 667 ratings4.5 from 194 ratings

Price history

  • VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849: lowest $399.99 on Oct 30 at Walmart.
  • TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike: lowest $409.99 on Oct 30 at Amazon.

Prices at every store

VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849

  • VIVINew

    In stockReturn policy

    $449.99Observed Nov 3, 2026, 12:33 PM
    Visit store

Also available at

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

TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike

  • AmazonCheck price at Amazon
  • TotGuardCheck price at TotGuard
Prices and history →

Specs compared

SpecVIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike
Range44-50 miles15-20 miles on a single charge
Motor TypeHub-drive-rear—
Peak Power1000 W—
Torque65 Nm—
Battery Capacity374 Wh—
Claimed Range80 km—
Weight25 kg—
Max Payload150 kg—
Wheel Size20.0"—
Tire Width2.40"—
Gears7-speed—
Max Assist Speed25.0 km/h—
Show all 40 specsShow fewer specs
SpecVIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike
Frame MaterialAluminum—
Intended UseCommuting—
Usage TerrainVarious terrains—
Age Range16+—
Suitable TerrainVarious terrains—
Typical UsersCommuters—
Riding StyleUrban commuting, Casual cruising, Excursions—
Load Capacity150 kg / 330 Ibs—
Bike TypeElectric Bike, Folding Electric Bike—

What reviewers say

VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849

With 4.8 out of 5 from 667 ratings, owners mostly report it works well for the money and folds easily. Complaints tend to center on weight and range falling short of the claim.

Pros
  • Easy to fold and store
  • Strong motor for the price
  • Comfortable ride on wide tires
  • Solid build for a budget folder
Cons
  • Heavy to lift when folded
  • Battery drains faster than expected on throttle
  • Assembly and tuning needed out of the box

TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike

Rated 4.5 out of 5 from 194 ratings, with buyers calling the build quality good and shipping fast. A minority report serious safety and quality problems, including a throttle that stayed engaged after release and a charger that got too hot to touch.

Pros
  • Good build quality for the price
  • Fast shipping
  • Fat tires and suspension handle mixed terrain
Cons
  • Throttle stuck open after release, causing injury
  • Charger overheated badly
  • Tires flat on the first day
  • Headlamp and horn poorly assembled or not working

Questions and answers

Which is better for commuting?
The VIVI FM20UL. It is lighter at 25 kg, has a stronger 1000W peak motor and longer claimed pedal-assist range. The TotGuard's suspension and fat tires suit rougher routes more than city streets.
Which has more range?
On paper they are close in pedal assist: 44-50 miles for the VIVI and 40-50 miles for the TotGuard. On throttle alone the VIVI claims 22-25 miles and the TotGuard listing says 15-20 miles.
Is the TotGuard worth it over the VIVI?
Only if full suspension and 4.0-inch tires are your priority. The VIVI gives more peak power and a higher rating for $449.99 at VIVI as of November 3, 2026; no current TotGuard price was given.
Which handles rough terrain better?
The TotGuard Wooken. It has a hydraulic rear shock and 20 x 4.0-inch fat tires. The VIVI has only a 60 mm front coil fork and 2.4-inch tires.
Which is lighter to carry?
The VIVI at 25 kg. TotGuard does not state a weight, but full suspension and 4.0-inch tires usually add bulk.
Which has the better rating?
The VIVI: 4.8 out of 5 from 667 ratings versus 4.5 out of 5 from 194 for the TotGuard.

More comparisons

  • VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849 vs VIVI MT20UL Electric Bike 3.0" Fat Tire Folding Electric Bike SGS Certified to UL2849
  • VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849 vs SYX MOTO 20" Fat Tire Electric Bike for Adults
  • VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849 vs Kingbull Literider 2.0 All Terrain Fat Tire Folding Electric Bike
  • VIVI FM20UL Electric Bike 2.4" Fat Tire Folding Electric Bike SGS Certified to UL2849 vs Aostirmotor A20 Fat Tire Folding Electric Bike
  • TotGuard Wooken Full Suspension Folding Fat Tire Electric Bike vs SYX MOTO 20" Fat Tire Electric Bike for Adults

Buying guides that pick them

  • Best 20-inch folding fat tire bikes under $500
  • Best 20-inch folding electric bikes with fat tires
Design Material
6061 Aluminum Alloy (Frame)
—
Design HighlightsFolding, Waterproof Integration Cable—
Dimensions83x59cm / 32.7x23.2inch (Folding Dimensions)—
Design StyleUrban commuting—
Suspension TypeFront suspension—
Front Suspension Travel60 mm—
Front Suspension TypeCoil Spring—
Suspension ForkCoil Spring Suspension Fork—
Suspension HighlightsDual Shock Absorbers—
Tire Diameter51 cm / 20.0 inch—
Tire TypeFat Tires—
Tire Tread PatternFat tires—
ElectricYes—
ColorWhite—
Age GroupAdult—
Number Of Speeds7 speed—
Motor power—500W
Battery—48V 10Ah Built-in Battery
Tire size—20"X4.0 Fat Tire