
JupiterBike Defiant ST Fat Tire Folding Electric Bike
🌄 The Most Advanced Defiant Ever Built
The Defiant ST is the top-tier evolution of JupiterBike’s legendary Defiant lineup. Designed for riders who want maximum range, full suspension comfort, and effortless accessibility, the Defiant ST features a low step-over frame, dual shock suspension, and an extra-large 13.2Ah battery—making every ride smoother, longer, and more enjoyable.
From rugged trails to daily commutes, this folding fat-tire e-bike delivers elite performance without compromise.
⚡ Key Features & Highlights
⚡ 750W Sustained / 1130W Peak Motor – Powerful acceleration and confident hill climbing
🏎️ Top Speed: Up to 28 MPH (Adjustable) – Fast, smooth, and controlled riding
🔋 48V 13.2Ah Extended-Range Battery – Travel 30–50+ miles on a single charge
🛞 20” x 4” All-Terrain Fat Tires – Dominate sand, snow, mud, gravel, and pavement
🛠️ Full Suspension (Front & Rear Dual Shock) – Absorbs bumps for unmatched ride comfort
🚶 Low Step-Over Frame – Easy mounting and dismounting for all riders
🛑 Hydraulic Disc Brakes – Strong, responsive stopping power in all conditions
🎛️ Upgraded Controls – Thumb throttle and premium handlebar components
⚙️ 7-Speed Shimano Drivetrain – Smooth, reliable gear shifting
🧳 MIK-Compatible Rear Cargo Rack (Included) – Perfect for commuting or adventure gear
🛡️ Full City-Style Fenders – Stay clean and dry in wet conditions
💡 Integrated Lighting System – 4-bulb LED headlight for visibility and safety
📦 Folding Frame Design – Compact storage and easy transport
🌍 Perfect For
✔️ Riders seeking maximum comfort
✔️ Long-distance cruising
✔️ Rough terrain and trail riding
✔️ Urban commuting with cargo
✔️ RV, vanlife, and small-space storage
🔧 Technical Specifications
-
Motor: 750W Sustained / 1130W Peak Geared Hub Motor
-
Top Speed: 20 mph (Adjustable up to 28 mph)
-
Battery: 48V 13.2Ah Lithium-Ion (Removable & Lockable)
-
Range: 30–50+ miles per charge
-
Wheels: 20” x 4” Fat Tires
-
Suspension: Full Suspension (Front & Rear Dual Shock)
-
Brakes: Front & Rear Hydraulic Disc Brakes
-
Drivetrain: Shimano 7-Speed
-
Throttle: Thumb Throttle
-
Frame: Folding Aluminum, Low Step-Over Design
-
Rear Rack: Heavy-Duty MIK-Compatible (Included)
-
Certification: UL 2849 Certified
🧳 Comfort Without Limits
🪑 Dual-spring comfort saddle
🛞 Fat tires + dual suspension = ultra-smooth ride
📦 Folds down for easy storage or travel
📦 What’s Included
✔️ JupiterBike Defiant ST Fat Tire Folding Electric Bike
✔️ 48V 13.2Ah Removable Battery
✔️ Battery Charger
✔️ Integrated LED Headlight
✔️ Heavy-Duty MIK Rear Cargo Rack
✔️ Full Fender Set
✔️ User Manual
⚠️ Important Notes
⚠️ Pre-Order Notice: Reserve now — shipping expected mid-March
⚠️ Range varies by rider weight, terrain, assist level, and conditions
⚠️ Always follow local e-bike laws and regulations
⚠️ Helmet and protective gear strongly recommended
Original: $1,999.00
-70%$1,999.00
$599.70More Images




















JupiterBike Defiant ST Fat Tire Folding Electric Bike
🌄 The Most Advanced Defiant Ever Built
The Defiant ST is the top-tier evolution of JupiterBike’s legendary Defiant lineup. Designed for riders who want maximum range, full suspension comfort, and effortless accessibility, the Defiant ST features a low step-over frame, dual shock suspension, and an extra-large 13.2Ah battery—making every ride smoother, longer, and more enjoyable.
From rugged trails to daily commutes, this folding fat-tire e-bike delivers elite performance without compromise.
⚡ Key Features & Highlights
⚡ 750W Sustained / 1130W Peak Motor – Powerful acceleration and confident hill climbing
🏎️ Top Speed: Up to 28 MPH (Adjustable) – Fast, smooth, and controlled riding
🔋 48V 13.2Ah Extended-Range Battery – Travel 30–50+ miles on a single charge
🛞 20” x 4” All-Terrain Fat Tires – Dominate sand, snow, mud, gravel, and pavement
🛠️ Full Suspension (Front & Rear Dual Shock) – Absorbs bumps for unmatched ride comfort
🚶 Low Step-Over Frame – Easy mounting and dismounting for all riders
🛑 Hydraulic Disc Brakes – Strong, responsive stopping power in all conditions
🎛️ Upgraded Controls – Thumb throttle and premium handlebar components
⚙️ 7-Speed Shimano Drivetrain – Smooth, reliable gear shifting
🧳 MIK-Compatible Rear Cargo Rack (Included) – Perfect for commuting or adventure gear
🛡️ Full City-Style Fenders – Stay clean and dry in wet conditions
💡 Integrated Lighting System – 4-bulb LED headlight for visibility and safety
📦 Folding Frame Design – Compact storage and easy transport
🌍 Perfect For
✔️ Riders seeking maximum comfort
✔️ Long-distance cruising
✔️ Rough terrain and trail riding
✔️ Urban commuting with cargo
✔️ RV, vanlife, and small-space storage
🔧 Technical Specifications
-
Motor: 750W Sustained / 1130W Peak Geared Hub Motor
-
Top Speed: 20 mph (Adjustable up to 28 mph)
-
Battery: 48V 13.2Ah Lithium-Ion (Removable & Lockable)
-
Range: 30–50+ miles per charge
-
Wheels: 20” x 4” Fat Tires
-
Suspension: Full Suspension (Front & Rear Dual Shock)
-
Brakes: Front & Rear Hydraulic Disc Brakes
-
Drivetrain: Shimano 7-Speed
-
Throttle: Thumb Throttle
-
Frame: Folding Aluminum, Low Step-Over Design
-
Rear Rack: Heavy-Duty MIK-Compatible (Included)
-
Certification: UL 2849 Certified
🧳 Comfort Without Limits
🪑 Dual-spring comfort saddle
🛞 Fat tires + dual suspension = ultra-smooth ride
📦 Folds down for easy storage or travel
📦 What’s Included
✔️ JupiterBike Defiant ST Fat Tire Folding Electric Bike
✔️ 48V 13.2Ah Removable Battery
✔️ Battery Charger
✔️ Integrated LED Headlight
✔️ Heavy-Duty MIK Rear Cargo Rack
✔️ Full Fender Set
✔️ User Manual
⚠️ Important Notes
⚠️ Pre-Order Notice: Reserve now — shipping expected mid-March
⚠️ Range varies by rider weight, terrain, assist level, and conditions
⚠️ Always follow local e-bike laws and regulations
⚠️ Helmet and protective gear strongly recommended
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
🌄 The Most Advanced Defiant Ever Built
The Defiant ST is the top-tier evolution of JupiterBike’s legendary Defiant lineup. Designed for riders who want maximum range, full suspension comfort, and effortless accessibility, the Defiant ST features a low step-over frame, dual shock suspension, and an extra-large 13.2Ah battery—making every ride smoother, longer, and more enjoyable.
From rugged trails to daily commutes, this folding fat-tire e-bike delivers elite performance without compromise.
⚡ Key Features & Highlights
⚡ 750W Sustained / 1130W Peak Motor – Powerful acceleration and confident hill climbing
🏎️ Top Speed: Up to 28 MPH (Adjustable) – Fast, smooth, and controlled riding
🔋 48V 13.2Ah Extended-Range Battery – Travel 30–50+ miles on a single charge
🛞 20” x 4” All-Terrain Fat Tires – Dominate sand, snow, mud, gravel, and pavement
🛠️ Full Suspension (Front & Rear Dual Shock) – Absorbs bumps for unmatched ride comfort
🚶 Low Step-Over Frame – Easy mounting and dismounting for all riders
🛑 Hydraulic Disc Brakes – Strong, responsive stopping power in all conditions
🎛️ Upgraded Controls – Thumb throttle and premium handlebar components
⚙️ 7-Speed Shimano Drivetrain – Smooth, reliable gear shifting
🧳 MIK-Compatible Rear Cargo Rack (Included) – Perfect for commuting or adventure gear
🛡️ Full City-Style Fenders – Stay clean and dry in wet conditions
💡 Integrated Lighting System – 4-bulb LED headlight for visibility and safety
📦 Folding Frame Design – Compact storage and easy transport
🌍 Perfect For
✔️ Riders seeking maximum comfort
✔️ Long-distance cruising
✔️ Rough terrain and trail riding
✔️ Urban commuting with cargo
✔️ RV, vanlife, and small-space storage
🔧 Technical Specifications
-
Motor: 750W Sustained / 1130W Peak Geared Hub Motor
-
Top Speed: 20 mph (Adjustable up to 28 mph)
-
Battery: 48V 13.2Ah Lithium-Ion (Removable & Lockable)
-
Range: 30–50+ miles per charge
-
Wheels: 20” x 4” Fat Tires
-
Suspension: Full Suspension (Front & Rear Dual Shock)
-
Brakes: Front & Rear Hydraulic Disc Brakes
-
Drivetrain: Shimano 7-Speed
-
Throttle: Thumb Throttle
-
Frame: Folding Aluminum, Low Step-Over Design
-
Rear Rack: Heavy-Duty MIK-Compatible (Included)
-
Certification: UL 2849 Certified
🧳 Comfort Without Limits
🪑 Dual-spring comfort saddle
🛞 Fat tires + dual suspension = ultra-smooth ride
📦 Folds down for easy storage or travel
📦 What’s Included
✔️ JupiterBike Defiant ST Fat Tire Folding Electric Bike
✔️ 48V 13.2Ah Removable Battery
✔️ Battery Charger
✔️ Integrated LED Headlight
✔️ Heavy-Duty MIK Rear Cargo Rack
✔️ Full Fender Set
✔️ User Manual
⚠️ Important Notes
⚠️ Pre-Order Notice: Reserve now — shipping expected mid-March
⚠️ Range varies by rider weight, terrain, assist level, and conditions
⚠️ Always follow local e-bike laws and regulations
⚠️ Helmet and protective gear strongly recommended
























