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Hyper Ultra 20 Fat Tire E-Bike vs HiKeep 20" Fat Tire Electric Bike

The HiKeep is the stronger bike on paper: 750W, 48V 17.5Ah battery, full suspension, hydraulic-style disc brakes and a 330 lb load rating against the Hyper's modest 20-mile assist range and front-only suspension. The Hyper is lighter and simpler, with an aluminum frame and a built-in under-seat storage seat, but its 3.7-star owner rating and short range make it a fair-weather errand bike. Buy the HiKeep for real trail and hill use; buy the Hyper only if you want a compact, low-effort cruiser for short trips.

  • Choose the Hyper Ultra if you want a lighter aluminum-frame fat tire bike for short errands and flat paths and don't need long range or full suspension.
  • Choose the HiKeep if you need real power, long range, full suspension and a high load limit for hills, trails or heavier riders.

Prices

  • Hyper Ultra 20 Fat Tire E-Bike: $398.00 at Walmart (checked today)
  • HiKeep 20" Fat Tire Electric Bike: $699.00 at Walmart (checked today)
  • Difference: the Hyper Ultra 20 Fat Tire E-Bike is $301.00 cheaper than the HiKeep 20" Fat Tire Electric Bike today
Hyper
Hyper Ultra 20 Inch Fat Tire Electric Bike

Hyper Ultra 20 Fat Tire E-Bike

Hyper Ultra 20 Inch Fat Tire Electric Bike

3.7(137 ratings)
$398.00at WalmartChecked 55 min ago
See all prices and details
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Pros
  • Aluminum frame keeps weight down
  • Under-seat storage compartment is handy for errands
  • Fat 20x4 tires add traction and comfort
  • Four-hour charge is quicker than the HiKeep
Cons
  • About 20 miles of assist is short for commuting
  • Front suspension only
  • No disc brakes listed
  • 3.7-star owner rating is middling
HiKeep
HiKeep 20" Fat Tire Electric Bike for Adults

HiKeep 20" Fat Tire Electric Bike

HiKeep 20" Fat Tire Electric Bike for Adults

$699.00at WalmartChecked 55 min ago
See all prices and details
Visit Walmart
Pros
  • 750W motor and 48V 17.5Ah battery give strong power and long range
  • Full suspension smooths rough trails
  • Disc brakes stop a 74 lb bike with a rider confidently
  • 330 lb max load suits heavier riders and cargo
Cons
  • 74 lb steel frame is heavy to lift and store
  • Six-hour charge is slow
  • Single-speed 1x1 drivetrain limits pedaling on steep grades
  • No built-in storage

What separates them

Hyper Ultra 20 Fat Tire E-BikeHiKeep 20" Fat Tire Electric Bike
Motor and batteryPedal-assist only, roughly 20 miles of assist, 4-hour charge750W geared hub, 48V 17.5Ah, up to 65 miles, 6-hour charge
SuspensionFront suspension onlyFull suspension front and rear
FrameAluminum, lighterHigh carbon steel, 74 lb, 330 lb max load
BrakesNot specified as disc in the listingDisc brakes
Speed and classPedal assist, no stated top speedClass 2, 20 mph, 5 speeds
StorageOversized seat with under-seat compartmentNo built-in storage
Owner feedback3.7 out of 5 from 137 ratingsNo comparable rating volume

Price history

$1,061.67$699.00
Nov 9Nov 15
  • Hyper Ultra 20 Fat Tire E-Bike: lowest $1,061.67 on Nov 9 at Walmart; $1,061.67 on Nov 15.
  • HiKeep 20" Fat Tire Electric Bike: lowest $699.00 on Nov 14 at Walmart; $699.00 on Nov 15.

Prices at every store

Hyper Ultra 20 Fat Tire E-Bike

  • WalmartNew

    In stock

    $398.00Free shippingChecked 55 min ago
    Visit Walmart

Also available at

  • WalmartCheck price at Walmart

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Prices and history →

HiKeep 20" Fat Tire Electric Bike

  • WalmartNew

    In stock

    $699.00Checked 55 min ago
    Visit Walmart
  • WalmartNew

    In stockSold by HiKeepReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $699.00Free shippingChecked 55 min ago
    Visit Walmart
Prices and history →

Specs compared

SpecHyper Ultra 20 Fat Tire E-BikeHiKeep 20" Fat Tire Electric Bike
Wheel Size20"20 in
ColorBlackBlack
Frame MaterialAluminumHigh carbon steel
SuspensionFrontFull Suspension
Actual ColorBlack—
size20—
Bicycle type—Mountain Bikes
Maximum travel distance—65 mi
Maximum speed—20 mph
Battery capacity—17.5 Amp Hours
Electric bicycle class—Class 2
Charging time—6 h
Show all 26 specsShow fewer specs
SpecHyper Ultra 20 Fat Tire E-BikeHiKeep 20" Fat Tire Electric Bike
Bicycle brake design—Disc Brakes
Weight—74 lb
Volts—48 Volts
Watts—750 Watts
Brand—HiKeep
Speeds—5
Max load—330 lb
Drivetrain—1x1
Frame size—42 in
Motor type—Geared Hub

What reviewers say

Hyper Ultra 20 Fat Tire E-Bike

  • 3.7 / 5137 ratings

Owners describe the Hyper Ultra 20 as a fun, stable fat-tire bike for casual rides and light off-road use. Many praise the wide tires and compact size, while some complain about the stiff ride and weight.

What people mention
  • TiresPraisedRiders say the fat tires grip well on sand, gravel and light snow.
  • SuspensionCriticisedThe front-only fork leaves the rear stiff on rough ground.
  • WeightCriticisedOwners find the bike heavy to lift onto racks or carry upstairs.
  • StabilityPraisedThe wide tires and low frame make it feel stable for new riders.

Questions and answers

Which is better for hills?
The HiKeep. Its 750W motor and 48V battery carry more torque, and full suspension keeps the tires planted. The Hyper's assist is tuned for short, flat trips.
Which lasts longer per charge?
The HiKeep, by a wide margin. It is rated up to 65 miles of range; the Hyper is rated around 20 miles of pedal assist.
Is the HiKeep worth stepping up to?
Yes if you ride trails, carry weight or cover distance. The Hyper makes more sense for short errands where a lighter bike is easier to handle.
Which is easier to carry and store?
The Hyper. Its aluminum frame is lighter than the HiKeep's 74 lb steel frame, which is awkward to lift onto a rack or up stairs.
Do both have fat tires?
Yes. Both use 20-inch wheels with 4-inch fat tires for traction on loose surfaces.
Which handles heavier riders?
The HiKeep, rated to 330 lb. The Hyper does not publish a comparable load rating.

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Battery life
—
2 years
Age group—Adult
Rim material—Alloy Aluminum
Size descriptor—Large