







S39 City E-bike – 48V 750W, 20” Fat Tires, Long Range Urban Electric Bike
Key Highlights
⚡ 48V 750W Brushless Rear Hub Motor (1400W Peak) – Strong power for urban & light off-road rides
🔋 48V 20Ah Li-ion Battery (LG21700 cells) – Up to 80 miles (130 km) range, >1000 cycles lifespan
🚴 Top Speed 28 mph – Efficient commuting with pedal assist or twist throttle
🛞 20×4.0” Puncture-Resistant Fat Tires – Stable and versatile for city streets and rough paths
🛑 Fully Hydraulic Disc Brakes (180mm F/R) – Superior stopping performance
🛠 Full Suspension System – Adjustable oil suspension fork + spring rear shock for comfort
📟 Smart LCD Display + 7-Speed Shimano Gears – Clear riding data & flexible shifting
💺 Ergonomic Shock-Absorbing Saddle – Comfortable for long-distance rides
📦 Durable 6061 Aluminum Alloy Frame – Integrated battery, strong & lightweight
Request Product List / Ask for OEM Options
Technical Specifications
| Item | Parameter |
|---|---|
| Motor | 48V 750W (1400W PEAK) Brushless Rear Hub Motor |
| Battery | 48V20AH Li-ion battery pack, LG21700 cells |
| Controller | 25A Intelligent Controller with PAS |
| Display | Smart LCD display |
| Frame | 20″ AI Alloy(with Rear Suspension) |
| Tires | 20×4.0 Fat Tires |
| Brakes | Hydraulic Disc Brakes (F/R) |
| Transmission System | 7 Speed Shimano Rear Derailleur |
| Charger | 48V 2.0A |
| Max Speed | 28km/h |
| Range | 50–80 km (PAS) |
| Load Capacity | 150kg |
| Waterproof Rating | IPX5 |
| Certifications | CE, UL 2849, EN15194 (supported if required) |
| Minimum Order Quantity | 50 units (customizable) |
| 40HQ | 180 sets |
Note: Specifications may vary slightly based on customization.

Accessories
The S39 delivers high speed, strong torque, and smooth performance with low noise — built for power and precision on every ride.
The LCD screen shows real-time speed, battery level, mileage, and more. Easy to read day and night, it keeps your ride information clear and within reach.
20″x4.0 Fat Tires Ride freely, no limits.
From sandy beaches to mountain trails and snowy paths — the E-bike keeps you rolling wherever adventure takes you.



Recommended Use
Recreational Riding
Take the S39 for a riverside adventure — smooth, quiet, and full of fun. Its 750W motor and fat tires make every outdoor ride easy and enjoyable. Just relax and ride your way into nature.
mobility
The S39 is designed for effortless riding — stable, quiet, and easy to handle. With its step-through frame and powerful motor, it’s an ideal choice for seniors to enjoy safe and comfortable daily rides.
Daily Commute
The S39 makes everyday commuting effortless and efficient. With a powerful motor, comfortable design, and long battery life, it turns your daily ride into a smooth and enjoyable journey.



Customization & OEM Services

Our streamlined OEM process ensures efficient production and timely delivery. For detailed OEM workflows and cooperation policies, please visit our OEM / ODM page.
Quality Assurance & Certifications

For detailed certification documents and factory information, please visit our Factory & Quality page.
If you have any questions or require a personalized quote, please contact our sales team at easywayebike@gmail.com or WhatsApp +86 135 5499 1036
Frequently Asked Questions
A1: The MOQ is 50 units per model.
A2: Standard lead time is 35-60 days depending on order volume and customization.
A3: We provide a 12-month warranty covering manufacturing defects.
A4: Yes, sample orders are available. Please contact us for pricing and delivery details.
For more FAQs and support, please visit our Support page.












