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TST Carrier 20'' Cargo E-Bike vs Kingbull Voyager 2.0 Fat Tire E-Cargo Bike

Both are 20-inch cargo e-bikes rated to 450 lb, but they lean different ways. The TST Carrier has the stronger motor (1300 W peak, 90 N·m) and a passenger setup that swaps to a cargo deck, so it suits hauling kids and heavy loads up hills. The Kingbull Voyager 2.0 has a 750 W Bafang motor, 4-inch fat tires, a 7-speed Shimano drivetrain, UL 2849 and UL 2271 certification, and an optional dual battery for up to 100 miles. Owners rate the Kingbull higher from far more ratings and report few problems; TST owners praise the power but flag rough assembly, brake rub and unreliable app pairing.

  • Choose the TST Carrier if you want the most motor torque for steep hills and heavy loads, and a kid seat that converts to a cargo deck.
  • Choose the Kingbull Voyager 2.0 if you want fat-tire stability, a geared drivetrain, certified battery and electronics, and the option of a second battery for long range.

Prices

  • TST Carrier 20'' Cargo E-Bike: $999.00 at Wellify Tech (checked today)
  • Kingbull Voyager 2.0 Fat Tire E-Cargo Bike: $1,189.00 at Course & Trail (checked today)
  • Difference: the TST Carrier 20'' Cargo E-Bike is $190.00 cheaper than the Kingbull Voyager 2.0 Fat Tire E-Cargo Bike today
TST
TST Carrier 20'' Cargo Electric Bike

TST Carrier 20'' Cargo E-Bike

TST Carrier 20'' Cargo Electric Bike

4.8(146 ratings)
$999.00at Wellify TechChecked 4 h ago
See all prices and details
Visit Wellify Tech
Pros
  • Strongest motor here: 1300 W peak and 90 N·m for hills and full loads
  • Passenger seat converts to a 200 lb cargo deck
  • Front suspension fork and 180mm hydraulic brakes
  • Phone app and 450 lb payload
Cons
  • Assembly takes hours and the manual is unclear
  • Brakes rub and need frequent adjustment
  • App connectivity is unreliable, especially on Android
  • Reports of damaged or missing parts and an uncomfortable seat
Kingbull
Kingbull Voyager 2.0 Fat Tire Electric Cargo Bike

Kingbull Voyager 2.0 Fat Tire E-Cargo Bike

Kingbull Voyager 2.0 Fat Tire Electric Cargo Bike

4.9(589 ratings)
$1,189.00at Course & TrailChecked 4 h ago
See all prices and details
Visit Course & Trail
Pros
  • 4-inch fat tires smooth out rough pavement and light trails
  • 7-speed Shimano gearing widens the usable range
  • UL 2849 and UL 2271 certified, IPX6 rated
  • Dual-battery option reaches up to 100 miles
  • High owner rating from a large number of ratings
Cons
  • 750 W motor has less peak power and torque than the TST
  • Heavier than many riders expect
  • Single battery gives the same 60-mile ceiling as the TST

What separates them

TST Carrier 20'' Cargo E-BikeKingbull Voyager 2.0 Fat Tire E-Cargo Bike
Motor1300 W peak rear hub, 90 N·m750 W Bafang rear hub, 80 N·m
RangeUp to 60 miles on one 48V 15Ah batteryUp to 60 miles on one battery, up to 100 miles with the dual-battery setup
Tires20x3-inch20x4.0-inch fat tires
DrivetrainSingle-speed hub drive7-speed Shimano Altus
Cargo and passenger setupKid-safe passenger seat swaps to a 200 lb cargo deckRear rack rated 180 lb, mounting points for panniers and baskets
Safety certificationNot statedUL 2849 (bike) and UL 2271 (battery) certified, IPX6 water resistant
Brakes180mm hydraulic discHydraulic disc
Owner-reported issuesLong assembly, unclear manual, brake rub, unreliable app, some damaged or missing partsHeavier than expected; few other complaints

Price history

$1,799.00$999.00
Nov 2Nov 10
  • TST Carrier 20'' Cargo E-Bike: lowest $999.00 on Nov 2 at tstebike; $999.00 on Nov 9.
  • Kingbull Voyager 2.0 Fat Tire E-Cargo Bike: lowest $1,799.00 on Nov 8 at EpicWheelz.com; $1,799.00 on Nov 10.

Prices at every store

TST Carrier 20'' Cargo E-Bike

  • TST EbikeNew

    In stockReturn policy

    $999.00Checked 4 h ago
    Visit TST Ebike
  • Wellify TechNew

    In stockReturn policy

    $999.00Checked 4 h ago
    Visit Wellify Tech
  • Modern Productions®New

    In stockReturn policy

    $1,199.00Checked 4 h ago
    Visit Modern Productions®

Also available at

  • tstebikeCheck price at tstebike
  • Veritas MarketCheck price at Veritas Market
All 3 stores and price history →

Kingbull Voyager 2.0 Fat Tire E-Cargo Bike

  • Course & TrailNew

    In stockReturn policy

    $1,189.00Checked 4 h ago
    Visit Course & Trail
  • Kingbull BikesNew

    In stockReturn policy

    $1,199.00Checked 4 h ago
    Visit Kingbull Bikes
  • EpicWheelz.comNew

    Availability unknown

    $1,799.00Free shippingChecked 4 h ago
    Visit EpicWheelz.com

Store links may earn us a commission.

All 3 stores and price history →

Specs compared

SpecTST Carrier 20'' Cargo E-BikeKingbull Voyager 2.0 Fat Tire E-Cargo Bike
Top Speed28 MPH28 mph
Tire Size20x3-inch20″×4.0″
ColorBlackGray
Age GroupAdultAdult
Peak Motor1300 W—
Max Range60 Miles—
Torque90 N·m—
Phone AppYES—
Max Load450 LBS—
Battery48V 15Ah Removable Battery—
Brakes180mm Hydraulic Disc Brakes (Oil)—
Payload Rating450 lb—
Show all 27 specsShow fewer specs
SpecTST Carrier 20'' Cargo E-BikeKingbull Voyager 2.0 Fat Tire E-Cargo Bike
ElectricYes—
Motor power—750 W
Motor torque—up to 80 Nm
Battery capacity—48 V 15 Ah (720 Wh)
Dual battery capacity—30 Ah (1440 Wh)
Range single battery—up to 60 miles
Range dual battery—up to 100 miles
Total payload—450 lbs
Rider height range—5′2″ to 6′6″
Throttle top speed

What reviewers say

TST Carrier 20'' Cargo E-Bike

  • 4.8 / 5146 ratings

Owners rate the Carrier highly, calling it sturdy, powerful and good value, with passenger seating they trust for kids. Most complaints are about assembly, unclear instructions and small fit-and-finish issues rather than the ride itself.

What people mention
  • AssemblyCriticisedBuyers say assembly takes hours and the manual is unclear or conflicts with the video.
  • Power and rangePraisedOwners report strong power and range that beats expectations, even loaded.
  • Build and payloadPraisedRiders say the frame handles heavy adults and two kids without flex.
  • Seat and seatpostCriticisedThe seat is called uncomfortable and the shim lets the post rotate.

Kingbull Voyager 2.0 Fat Tire E-Cargo Bike

  • 4.9 / 5589 ratings

With 4.9 out of 5 from 589 ratings, owners describe the Voyager 2.0 as sturdy, comfortable and fun, with fat tires that stay stable on varied surfaces. They praise the power for hills and everyday trips and say the cargo rack carries more than expected. The main complaint is weight compared with a previous bike.

What people mention
  • Ride stabilityPraisedOwners say the fat tires make the ride smooth and stable across different surfaces.
  • PowerPraisedRiders report plenty of power for everyday trips and hills.
  • Cargo capacityPraisedThe rear rack carries more than expected for groceries and gear.
  • BuildPraised

Questions and answers

Which is better for hauling kids?
The TST Carrier, because it ships with a kid-safe passenger setup that swaps to a cargo deck. The Kingbull carries 450 lb too, but its rear rack is rated 180 lb and child seating is a separate add-on.
Which climbs hills better with a heavy load?
The TST Carrier, on paper. Its 1300 W peak motor and 90 N·m beat the Kingbull's 750 W and 80 N·m. The Kingbull's 7-speed gearing lets you pedal harder on climbs, which narrows the gap.
Which handles rough roads better?
The Kingbull Voyager 2.0. Its 4-inch fat tires absorb bumps and hold traction on gravel and light trails. The TST uses narrower 3-inch tires and relies on its front suspension fork.
Is the Kingbull worth stepping up to over the TST?
If you want certified electronics, a geared drivetrain, fat tires and an optional second battery, yes. If raw torque and a built-in child seat matter more, the TST is the stronger pick.
Which is more reliable?
Owner reports favor the Kingbull: its complaints are mostly about weight. TST owners report brake rub, unclear assembly instructions, app problems and occasional damaged or missing parts.
Can I extend the range on either one?
Only the Kingbull offers a factory dual-battery setup, rated up to 100 miles. The TST runs a single 48V 15Ah battery rated up to 60 miles.

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—
20 mph
Transmission—7-speed Shimano Altus
Frame Material—Aluminum
With Hydraulic Brake—Yes
Number Of Speeds—7 speed
Tire Width—4 inch tires
Owners call it sturdy, comfortable and versatile.