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Jupiter
Jupiter Defiant ST Fat Tire Folding Electric Bike

Jupiter Defiant ST Fat Tire Folding Electric Bike

Best price now

$999.00at Jupiter Electric BikesChecked 2 h ago
Deal: 38% off at Jupiter Electric Bikes →

Compared across 15 stores. Prices are checked against each store and labelled with when.

Visit Jupiter Electric Bikes

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Price facts

  • Lowest price today: $999.00 at Jupiter Electric Bikes (checked Nov 15, 2026).
  • Checked at 15 stores.

Our take on the Jupiter Defiant ST Fat Tire Folding Electric Bike

The Jupiter Defiant ST is a folding fat-tire electric bike with a step-through aluminum frame, a 750W geared hub motor and a concealed removable 13.2Ah battery. It tops out at 28 mph with a claimed 30-50+ mile range, and it runs on 20-inch fat tires with front and rear hydraulic disc brakes and a dual-shock setup. The step-through frame and folding hinge make it easy to mount and to store in a car trunk or apartment, which is where it beats rigid fat-tire commuters. It suits riders who want one bike for rough trails and city errands, but at 55 lbs it is heavy to lift and pedal unassisted.

Best forRiders who want one bike for trails and city errandsApartment dwellers and car owners who need to fold and store itShorter or less flexible riders who prefer a step-through frameFat-tire riders on gravel, sand and broken pavement
Pros
  • 750W geared hub motor reaches 28 mph
  • Claimed 30-50+ mile range from the 13.2Ah battery
  • Front and rear hydraulic disc brakes with 160mm rotors
  • Step-through folding aluminum frame is easy to mount and store
  • Fat tires and dual shock system soak up rough terrain
  • Concealed removable battery keeps the frame clean
Cons
  • 55 lbs is heavy to lift, carry or pedal without power
  • Folding hinge adds weight and a flex point versus a rigid frame
  • Fat tires and 750W motor drain the battery faster at high speed
  • No suspension fork listed, so the dual shocks carry the comfort load

Jupiter Defiant ST Fat Tire Folding Electric Bike prices at every store

  • Jupiter Electric BikesNew

    In stock

    $999.00Checked 2 h ago
    Visit Jupiter Electric Bikes
  • The-House.comNew

    In stock

    $1,799.00Checked 42 min ago
    Visit The-House.com
  • CampingworldNew

    In stock

    $1,799.00Checked 2 h ago
    Visit Campingworld
  • Urban Bikes DirectNew

    In stock

    $1,999.00Checked 42 min ago
    Visit Urban Bikes Direct
  • Macy'sNew

    Availability unknown

    $1,599.00Checked 42 min ago
    Visit Macy's
  • rideemoto.comNew

    Availability unknown

    $1,599.00Checked 42 min ago
    Visit rideemoto.com
  • Electric Surf SportsNew

    Availability unknown

    $1,599.00Checked 42 min ago
    Visit Electric Surf Sports
  • Venture Out E-BikesNew

    Availability unknown

    $1,599.00Checked 42 min ago
    Visit Venture Out E-Bikes
  • The Prime PinnacleNew

    Availability unknown

    $1,599.00Checked 42 min ago
    Visit The Prime Pinnacle
  • RenovomotorsNew

    Availability unknown

    $1,619.10Checked 42 min ago
    Visit Renovomotors
  • Camping WorldNew

    Availability unknown

    $1,799.00Checked 42 min ago
    Visit Camping World
  • Myrtle Wheels E-BikesNew

    Availability unknown

    $1,999.00Checked 42 min ago
    Visit Myrtle Wheels E-Bikes
  • EpicWheelz.comNew

    Availability unknown

    $1,999.00Checked 42 min ago
    Visit EpicWheelz.com
  • All Brands ConnectNew

    Availability unknown

    $1,999.00Checked 42 min ago
    Visit All Brands Connect
  • Best BuyNew

    Out of stock

    $999.99Free shippingChecked 2 h ago
    Visit Best Buy

Store links may earn us a commission. Some prices via Klarna.

Jupiter Defiant ST Fat Tire Folding Electric Bike price history

Lowest price we've seen: $999.00 on Nov 15 at Jupiter Electric Bikes. Tracked across 15 stores since Nov 15.

From Jupiter Electric Bikes

  • 750W sustained hub motor with 1130W peak output
  • Top speed 20 mph, adjustable to 32 mph
  • Range of 30-50+ miles
  • Low step-through frame for easy mounting and dismounting
  • Folds down for travel and storage
  • Front suspension fork with 60mm travel and lockout
Materials
48V, 13.2Ah Li-Ion battery (EVE Cells)
Fit
Low step-through frame designed for riders of every height and ability
Guarantee
3 Year Limited Warranty
In the box
Front suspension fork, Integrated head and tail lights, 54.6V / 2A charger

About the Jupiter Defiant ST Fat Tire Folding Electric Bike

It has a 750W geared hub motor and a concealed, removable 13.2Ah battery.

A dual shock system and a dual spring comfort saddle provide cushioning. Front and rear 160mm hydraulic disc brakes handle stopping. An aluminum alloy rear cargo rack is included.

It is intended for commuting, road riding, trail riding and adventure, on all-terrain surfaces, off-road trails, rugged terrain and urban landscapes. It suits riders of all ages and abilities.

Frame
Aluminum, folding, step-through
Motor
750W geared hub motor
Battery
13.2Ah, concealed and removable
Range
30-50+ miles
Max speed
28 MPH
Brakes
Front and rear hydraulic disc brakes, 160mm
Suspension
Dual shock system, dual spring comfort saddle
Rear rack
Aluminum alloy cargo rack
Weight
55 lbs
Terrain
All-terrain, off-road trails, rugged terrain, urban landscapes
Intended use
Commuting, adventure, road riding, trail riding

Specifications

Intended Use
Commuting, Adventure, Road riding, Trail riding
Usage Terrain
All-terrain, Off-road trails, Rugged terrains, Urban landscapes
Age Range
Riders of all ages and abilities
Suitable Terrain
All-terrain, Off-road trails, Rugged terrains, Urban landscapes
Typical Users
Riders of all ages and abilities
Brake Type
Hydraulic brakes, Hydraulic Disc Brakes (Front and Rear)
Brake Highlights

Questions and answers

How fast does the Defiant ST go?
The 750W geared hub motor is rated to 28 mph. That is Class 3 territory, so check your local rules on where throttle or assist above 20 mph is allowed.
What range can I expect from the battery?
Jupiter claims 30-50+ miles from the 13.2Ah battery. Real range drops toward the low end with heavy throttle use, hills, cold weather or a loaded rear rack.
Can I remove the battery to charge it?
Yes. The battery is concealed in the frame and removable, so you can charge it indoors or swap it without parking the bike near an outlet.
Is it good for off-road trails?
The fat tires, dual shock system and hydraulic disc brakes are built for gravel, sand and rugged terrain. It is not a full-suspension mountain bike, so keep to moderate trails.
How does it compare with a rigid fat-tire e-bike?
It folds and has a step-through frame, which rigid fat-tire bikes do not. The trade-off is extra weight and a hinge in the frame.
What is included with the bike?
The bike comes with the frame, motor, battery, hydraulic brakes, dual shock system and rear aluminum cargo rack. Check the listing for charger and accessory details.
Where is the Jupiter Defiant ST Fat Tire Folding Electric Bike cheapest?
At Jupiter Electric Bikes, for $999.00, 38% off, as of our latest check.
Where can I buy the Jupiter Defiant ST Fat Tire Folding Electric Bike?
15 stores we checked sell it, including Macy's, Camping World, rideemoto.com, Electric Surf Sports, Venture Out E-Bikes.

Stores we've priced the Jupiter Defiant ST Fat Tire Folding Electric Bike at

  • Best Buy deals and prices
  • Camping World deals and prices
  • Jupiter Electric Bikes deals and prices
  • Macy's deals and prices
  • The-House.com deals and prices
Hydraulic brakes, Front and Rear Hydraulic Disc Brakes (160mm)
Bike Type
Electric bike
Design Material
Aluminum alloy (Rear Cargo Rack)
Weight
55 lbs
Design Highlights
Concealed Removable Battery
Range
30-50+ MILE
Maximum Speed
28 MPH
Riding Style
Exploring off-road trails, Cruising through urban landscapes
Frame Material
Aluminum
Frame Type
Folding, Step-through
Frame Shape
Step-through
Frame Shock Absorber
Dual Spring Comfort Saddle, Dual Shock system
Motor Battery
13.2Ah battery
Motor Power
750W
Motor Type
Geared hub motor
Motor Location
Geared hub motor

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