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JupiterBike
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JupiterBike Defiant Fat Tire Folding Electric Bike

From $1,599.00 $1,839.00

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Product Information
The JupiterBike Defiant Fat Tire Folding Electric Bike is engineered for riders who want power, versatility, and portability in one rugged package. With a 750W sustained (1130W peak) high-torque motor, wide 20” x 4” all-terrain fat tires, and a folding frame for easy transport, the Defiant handles city streets, sand, snow, mud, and trails with confidence.

Designed with premium materials and attention to detail, this e-bike delivers a smooth, comfortable ride whether you’re commuting, exploring off-road, or traveling with your bike.

⚡ Key Features & Benefits

🚵 All-Terrain Fat Tires (20” x 4”) – Power through snow, sand, gravel, and pavement
🔋 Concealed Removable Battery – Lockable, center-frame battery for clean design and easy charging
⚙️ 750W Sustained / 1130W Peak Motor – High-torque geared hub motor for hills and tough terrain
🌀 Twist Throttle Control – On-demand power whenever you need it
📊 Bright LCD Display (5 Assist Levels) – Speed, distance, battery life & pedal assist at a glance
💡 4-Bulb LED Headlight – Powered by the main battery for improved night visibility
🛑 Front & Rear Disc Brakes – Smooth, reliable stopping power
🚲 7-Speed Shimano Drivetrain – Efficient pedaling with dependable gear shifting
🧳 Folding Frame Design – Compact storage and easy transport
🪑 Dual Spring Comfort Saddle – Extra comfort for longer rides
🌧️ Front & Rear Fenders – Stay clean when riding on wet roads

🏙️ Perfect For

✔️ Urban commuting
✔️ Trail & beach riding
✔️ RV, camper & travel use
✔️ Adventure riding & exploration
✔️ Riders who want power + portability

Specifications
Motor: 750W Sustained / 1130W Peak Geared Hub Motor

Battery: 48V 10.4Ah Lithium-Ion (Removable & Lockable)

Max Speed: 20 mph (Adjustable up to 28 mph)

Max Range: Up to 40 miles per charge

Pedal Assist: 5 Levels

Throttle: Twist Throttle

Drivetrain: 7-Speed Shimano Tourney

Brakes: Front & Rear Disc Brakes

Tires: 20” x 4” All-Terrain Fat Tires

Water Resistance: IP54 (Rain & Spray Safe)

Weight: 55 lbs

Weight Capacity: 300 lbs

📐 Dimensions

Folded: 38” x 22” x 28”

Unfolded: 65” x 22.5” x 48”

Wheelbase: 42”

Step-Over Height: 29”

What's Included
✔️ JupiterBike Defiant Fat Tire Folding Electric Bike
✔️ Removable Lithium-Ion Battery
✔️ Battery Charger
✔️ Integrated LED Headlight
✔️ Front & Rear Fenders
✔️ User Manual

(Rear cargo rack sold separately)

🛡️ Warranty

🛡️ 2-Year Warranty on Bike & Battery

Questions Before Ordering?

Call 1-877-477-2853 Monday–Friday, 9am–6pm ET, or send us a message. We can help verify fit, compatibility, delivery requirements and warranty details.

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