Defiant ST Fat Tire Folding Electric Bike

Top Speed: 28 mph

Range: 25-40 Miles

48V 10.4Ah Li-Ion
Introducing the Jupiter Bike Defiant ST Electric Fat Tire Bike, a groundbreaking all-terrain bike that combines power, versatility, and accessibility like never before. Designed with a convenient step-through frame, this electric bike offers easy mounting and dismounting, making it ideal for riders of all ages and abilities.
- Dual shocks, ensuring a smooth and comfortable ride on any terrain
- Improved brakes and shifting
- Confidently navigate steep descents and challenging climbs with precise control
- Upgraded to provide an enhanced riding experience
- Durable components & responsive handling making it ideal for off-road trails or cruising
Costco Price
$1,599.99
$1,599.99
Defiant ST Fat Tire Folding Electric Bike - $1,599.99
Overview
Folding Electric Bike. Striking lines, functional design & unmatched comfort. Discover the ultimate in commuting or recreational riding with the Defiant ST.

750W POWER
Driven by a powerful 48-volt motor, and a peak output of 1130 watts, the Defiant ST gives you swift acceleration and the ability to maintains high speeds effortlessly. Easily conquers steep inclines and challenging terrains with remarkable ease.

DUAL SHOCK
Experience the best ride with the Defiant ST's Dual Shock system, gliding over rough terrains and providing comfort and control. Answer the call of adventure in remarkable comfort as this cutting-edge technology absorbs anything the road or trail throws your way.

UPGRADED PARTS
Equipped with an extra-large 13.2Ah battery, the bike features improved handlebar components including hydraulic brakes for enhanced stopping power and precision, as well as full city fenders and a MIK compatible rack to amplify its utility and functionality.
High end materials and attention to details.
Defiant-ST a step above the rest for appearance, reliability, and comfort. On the trail or on the road, the Defiant-ST handles it all beautifully.

All-Terrain Fat Tire
The Defiant's 4" x 20" all-terrain fat tire powers through snow, sand, mud, or whatever your trail
throws at you. Sturdy knobs on wheels are perfect for both on and off-road riding. Brand may vary.

Concealed Removable Battery
Charge things up when you're on the go. The Defiant-ST features a removable battery that locks with a
key. Keep it safely stored, or take it out and recharge, worry-free.

Leather Comfort Grip & Hydraulic Brakes
Stay in control with premium leather grips designed for comfort and style. Paired with high-performance
hydraulic brakes, you get smooth handling and powerful stopping.

Bright 5 Speed Display
Easy to read even in full daylight, the Defiant's LCD display shows you your speed, distance traveled,
pedal assist level, and battery life all in a clean design. Choose between 5 levels of Pedal Assist.

4 Bulb LED Headlight
Bright adjustable front headlight for low light conditions. Powered from the Defiants's main Lithium Ion
battery, improves visibility & safety.

7 Speed Shimano Derailleur
The Defiant features the 7 Speed Shimano Tourney Derailleur for manually pedaling your bike. Use the 7
Speed Thumb Shift Lever to rapidly shift between the gears on the rear cassette.

Quick Release Front Wheel
Quickly detach the front wheel for quick storage and transportation options.

Front and Rear Hydraulic Disc Brakes
Superior performance with smooth, responsive stopping power. The Defiant’s dual 160mm hydraulic disc
brakes deliver reliable control and confident braking in all conditions.

Dual Spring Comfort Saddle
Dual spring suspension, mesh top, and a middle opening for breathability. The Defiant comes stock with
the amazing JupiterBike Upgrade Seat.

1130 Watt (Peak) 750 Watt (Sustained) High Torque Motor
Dominate any terrain and climb hills effortlessly with this ultra powerful geared hub motor. A major
boost to the enjoyment of your ride.

Front & Rear Mudguards
Mudguards make a huge difference when you are riding on roads that are wet from drizzle, recent rain, or
snowmelt.

Heavy Duty MIK Rear Cargo Rack
Carry more with confidence. The Defiant’s heavy-duty MIK-compatible rear rack is built from rugged
aluminum alloy and securely mounted to the frame—perfect for commuters and adventure riders alike.

Full Suspension System
Tackle any terrain with the Defiant’s front and rear suspension. The dual shock system absorbs bumps
and rough trails, giving you a smoother, more controlled ride—on or off the road.
Specifications
MaxSpeed:
20 mph / Adjustable to 28 mph
Battery:
48V, 10.4Ah Li-Ion
Motor:
750 Watt Hub Motor
Water Resistance:
IP54 Safe in Rain & Spray
Wheels:
20" x 4" Fat Tire
Brakes:
Hydraulic
Weight:
70 lbs.
Warranty:
2 Years Bike & Battery
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Model | Defiant Fat Tire Folding Electric Bike | Defiant ST Fat Tire Folding Electric Bike |
Price | $1249.99 | $1549.99 |
Wheel | 20" x 4" | 20" x 4" |
Max Speed | 20mph / adjustable to 28 mph | 20mph / adjustable to 28 mph |
Max Range | 40 miles | 50 miles |
Lithium Ion Battery | 48V 10.4Ah | 48V 13.2Ah |
Suspension | None | Front & Rear |
Drivetrain | 7 Speed | 7 Speed |
Geared Hub Motor | 1130W (Peak) 750W (Sustained) |
1130W (Peak) 750W (Sustained) |
Weight | 50 lbs. | 70 lbs. |
Throttle | Twist | Thumb |
Derailleur | Shimano Tourney | Shimano Altus w/ Paddle Shifter |
Brakes | Mechanical | Hydraulic |
Fender | Sport | Full City Style |
Grips | Rubber | Leather |
Rear Rack | Optional | MK Compatible Included |