Here’s a premium Shopify-ready product page for the Jupiter Bike Defiant ST Fat Tire Folding Electric Bike based on verified specifications from the manufacturer and authorized retailers. (jupiterbike.com)
Jupiter Defiant ST Fat Tire Folding Electric Bike
⚡ Conquer Every Ride With Premium Folding Power
The Jupiter Defiant ST combines powerful all-terrain performance, premium comfort, and everyday portability into one sleek folding electric bike. Built with a 750W geared hub motor, 48V 13.2Ah battery, and full suspension system, the Defiant ST is designed for riders who want freedom without limits.
Whether you're commuting through the city, exploring dirt trails, cruising the beach, or loading your bike into an RV, the Defiant ST delivers smooth power, confidence, and versatility everywhere you ride.
🚴 Why Riders Love the Defiant ST
🌎 Go Anywhere With Fat Tire Stability
The oversized 20” x 4” fat tires provide incredible traction on pavement, gravel, sand, snow, and rough terrain. Ride confidently in conditions where ordinary bikes struggle.
⚡ Powerful 750W Motor Performance
Powered by a 750W sustained rear hub motor with up to 1130W peak output, the Defiant ST delivers strong acceleration, smooth hill climbing, and responsive torque when you need it most.
🔋 Extended 40–50 Mile Range
The upgraded 48V 13.2Ah removable lithium-ion battery gives you the freedom to ride farther with fewer charging stops.
🛋️ Full Suspension Comfort
The advanced dual shock suspension system absorbs bumps, potholes, and uneven terrain for a smoother, less fatiguing ride.
📦 Foldable & Portable Design
The center-folding frame and quick-release front wheel make storage and transport incredibly easy for apartments, RVs, campers, boats, and car trunks.
✨ Premium Features
⚡ 750W High-Torque Motor
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750W sustained power
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Up to 1130W peak output
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Excellent hill climbing ability
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Fast acceleration and smooth cruising
Perfect for commuting, adventure rides, and mixed terrain.
🔋 48V 13.2Ah Removable Battery
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High-capacity lithium-ion battery
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Removable locking design
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Convenient charging on or off the bike
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Up to 50+ miles of riding range
Ride longer with confidence.
🛞 20” x 4” All-Terrain Fat Tires
Oversized fat tires improve:
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Stability
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Shock absorption
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Off-road grip
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Sand and snow performance
Ideal for urban streets and outdoor adventures alike.
🛑 Hydraulic Disc Brakes
The Defiant ST features:
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Front & rear hydraulic disc brakes
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160mm rotors
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Responsive stopping power
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Better braking control in wet or rough conditions
Ride with confidence at higher speeds.
🛋️ Dual Suspension System
Front and rear shocks help:
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Reduce rider fatigue
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Smooth out rough terrain
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Improve comfort during long rides
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Enhance traction and control
🔄 Shimano 7-Speed Drivetrain
The Shimano Altus 7-speed system gives riders:
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Smooth gear transitions
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Better climbing efficiency
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Greater control across varying terrain
📊 Full Technical Specifications
| Specification | Details |
|---|---|
| Motor Power | 750W Geared Hub Motor |
| Peak Motor Output | 1130W Peak |
| Motor Type | Single Rear Hub Motor |
| Battery | 48V 13.2Ah Lithium-Ion |
| Battery Type | Removable Locking Battery |
| Top Speed | 20 MPH (Adjustable up to 28 MPH) |
| Maximum Range | 40–50+ Miles |
| Charging Time | 4–6 Hours |
| Tire Size | 20" x 4" Fat Tires |
| Suspension | Front & Rear Dual Suspension |
| Brakes | Front & Rear Hydraulic Disc Brakes |
| Brake Rotor Size | 160mm |
| Drivetrain | Shimano Altus 7-Speed |
| Throttle | Thumb Throttle |
| Frame Type | Folding Step-Through Frame |
| Payload Capacity | 300 lbs |
| Product Weight | Approx. 60 lbs |
| Waterproof Rating | IP54 Water Resistant |
| Display | LCD Display |
| Riding Modes | 5 Pedal Assist Levels |
| Fender | Full City Style Fenders |
| Rear Rack | MIK Compatible Rear Rack Included |
| Saddle | Dual Spring Comfort Saddle |
| Grips | Premium Leather Comfort Grips |
🚀 Real-World Performance
The Jupiter Defiant ST is engineered for riders who want both comfort and capability.
⚡ Power & Speed
The 750W rear hub motor paired with 1130W peak power provides strong acceleration and reliable hill climbing performance. Reach speeds up to 28 MPH when unlocked.
🔋 Long-Range Riding
The upgraded 48V 13.2Ah battery delivers up to 50+ miles of riding range, depending on terrain, rider weight, and assist level.
⛰️ Hill Climbing Capability
The high-torque motor and Shimano 7-speed drivetrain work together to tackle steep inclines and uneven terrain with ease.
🌧️ All-Terrain Confidence
With 20” x 4” fat tires, dual suspension, and hydraulic brakes, the Defiant ST performs exceptionally well on:
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Pavement
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Gravel
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Dirt trails
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Sand
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Snow
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Wet roads
⚖️ Jupiter Defiant ST vs Competitors
| Feature | Jupiter Defiant ST | Aventon Sinch.2 | Lectric XP 3.0 |
|---|---|---|---|
| Motor Power | 750W (1130W Peak) | 750W Peak | 1000W Peak |
| Battery | 48V 13.2Ah | 48V 14Ah | 48V 10.4Ah |
| Suspension | Full Suspension | Front Suspension Only | Front Suspension Only |
| Tire Size | 20” x 4” Fat Tires | 20” x 4” | 20” x 3” |
| Brakes | Hydraulic Disc | Hydraulic Disc | Mechanical Disc |
| Folding Frame | Yes | Yes | Yes |
| Range | Up to 50+ Miles | Up to 55 Miles | Up to 45 Miles |
| Payload Capacity | 300 lbs | 300 lbs | 330 lbs |
| Ride Comfort | Premium Dual Shock | Moderate | Moderate |
Why Choose the Defiant ST?
✅ Full suspension comfort
✅ Powerful 1130W peak output
✅ Premium hydraulic braking
✅ Portable folding design
✅ Excellent all-terrain capability
🛡️ Shop With Confidence
🔒 Secure Checkout
Your payment information is encrypted and protected with secure checkout technology.
🚚 Fast Shipping
Orders are processed quickly with tracked delivery straight to your door.
🛠️ Quality Inspection
Every bike is professionally inspected before shipment to ensure optimal performance.
💬 Dedicated Customer Support
Our support team is ready to assist with setup, maintenance questions, and order updates.
🏆 Warranty Coverage
Warranty support available for manufacturer defects and covered components where applicable.
📦 What’s Included In The Box
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Jupiter Defiant ST Electric Bike
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48V 13.2Ah Battery
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Battery Charger
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Front & Rear Fenders
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Rear Cargo Rack
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User Manual
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Assembly Tools
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Battery Keys
❓ Frequently Asked Questions
How long does the battery take to charge?
The battery typically charges fully in approximately 4–6 hours.
What is the top speed?
The Defiant ST reaches 20 MPH by default and can be adjusted up to 28 MPH depending on local regulations.
How far can it ride on one charge?
You can expect approximately 40–50+ miles per charge depending on rider weight, terrain, weather, and assist level.
Is the battery removable?
Yes. The 48V 13.2Ah battery is removable and locks securely into the frame.
Can it handle hills?
Absolutely. The 750W motor with 1130W peak output delivers strong hill-climbing capability.
Is the bike good for off-road riding?
Yes. The 20” x 4” fat tires, full suspension, and hydraulic brakes make it excellent for gravel, trails, sand, and rough terrain.
Does it come assembled?
The bike arrives partially assembled with basic setup required.
Is it waterproof?
The Defiant ST is rated IP54 water resistant, meaning it can handle light rain and wet conditions.
What rider height is recommended?
The bike generally fits riders approximately 5’0” to 6’2” comfortably.
Do I need a license to ride it?
In most areas, no license is required for Class 2 or Class 3 e-bikes. Always check your local regulations.
🌟 Ride Farther. Ride Smarter. Ride Defiant.
The Jupiter Defiant ST delivers premium comfort, folding convenience, and real all-terrain performance in one powerful electric bike.
Whether you're commuting daily or chasing new adventures, this is the e-bike built to handle it all.
🚴 Upgrade Your Ride Today
Experience powerful 750W performance, full suspension comfort, and premium fat tire capability with the Jupiter Defiant ST.