Experience Unmatched Versatility with the ECOTRIC BIKES UL Certified Dolphin 20″ Folding Fat Tire E-Bike
Discover the perfect fusion of playful design and serious performance with the ECOTRIC BIKES UL Certified Dolphin 20″ Folding Fat Bike. Inspired by the dolphin’s chubby yet agile form, this portable e-bike combines a powerful 500W motor with robust 20″ x 4.0″ fat tires, offering exceptional shock absorption and stability on any terrain. Whether you’re navigating snowy paths, sandy beaches, or city streets, the Dolphin delivers a smooth, long-lasting ride. Its foldable frame and removable battery make it the ultimate companion for commuters, adventurers, and anyone seeking a premium, space-saving electric bike. Elevate your ride with UL certified safety and unmatched convenience.
Key Features
- 500W Brushless Geared Motor: Enjoy reliable, high-torque performance from a rear hub motor designed for efficiency and power.
- 20″ x 4.0″ Anti-Skid Fat Tires: Conquer snow, sand, gravel, and complex topography with superior traction and stability. Inner tube size: 20×4.0/4.9. Equipped with an American standard valve stem and valve cap.
- 36V 12.5AH Removable Lithium Battery: Travel up to 18-23 miles in pure electric mode or 45-48 miles in pedal-assist mode. Charge at home or the office in approximately 6-8 hours. Battery life spans 400-600 cycles, featuring both battery and power lock functions for security.
- Upgraded M3 LCD Display with Headlight Switch: The C-NDOL20LED-WB model features an enhanced M3 meter that integrates a headlight switch function for improved visibility and control.
- Dual Disc Brake System: Mechanical disc brakes with 160mm rotors (front and rear) work in conjunction with an outage braking system for secure, responsive stopping power.
- 7-Speed Shimano Drivetrain: Seamlessly shift gears with a reliable 7-speed system, offering pedal assist and walk assist modes for effortless riding.
- Foldable Aluminum Alloy Frame: The lightweight, durable 20″ alloy frame folds compactly for easy storage in your trunk, elevator, or subway. Frame specifications include a 50*50*120L head tube and heterotypic pipe 27.4*2.2T*420L.
- UL Certified for Safety & Longevity: With over 125 years of industry leadership, UL certification ensures rigorous safety standards, quality assurance, and peace of mind for insurance and daily use.
Specifications
| MODEL SIZE | 1780 x 620 x 1120 mm |
|---|---|
| WEIGHT CAPACITY | 200 lbs |
| WEIGHT WITH BATTERY | 55 lbs |
| BATTERY | 36V 12.5AH |
| MOTOR | Rear Hub 36V 500W |
| CHARGING TIME | 6-8 Hours |
| DISPLAY | Ecotric M3 LCD Display |
| SENSOR | Speed Sensor |
| BATTERY LIFE | 400-600 Cycles |
| FUNCTIONS | Pedal Assist & On-Demand Throttle |
| SPEED | 25 km/h (Adjustable per state regulations) |
| FRONT BRAKE | Mechanical Disc 160mm Rotor |
| REAR BRAKE | Mechanical Disc 160mm Rotor |
| DERAILLEUR | 7-Speed SHIMANO |
| FRAME | Aluminum Alloy |
| TIRES | 20 x 4.0″ Fat Tires |
| FENDERS | Included, Front and Rear |
| BRAKE SYSTEM | Left Brake for Rear / Right Brake for Front |
Why Choose ECOTRIC BIKES UL Certified-Ecotric 20″ White Portable and Folding Fat Bike Model Dolphin
Choosing the ECOTRIC BIKES Dolphin means investing in a ride that prioritizes safety, portability, and performance without compromise. Our UL certification—a hallmark of electrical product safety for over 125 years—demonstrates our unwavering commitment to your security and the longevity of your e-bike. This certification not only ensures rigorous testing but also provides essential peace of mind for insurance purposes. The Dolphin’s foldable design and removable battery redefine convenience, allowing you to store it effortlessly and charge anywhere. With its powerful 500W motor, extended 45-48 mile pedal-assist range, and fat tires that glide over any surface, this e-bike is built for the modern explorer. From daily commutes to weekend adventures, the ECOTRIC Dolphin delivers a premium, reliable, and enjoyable riding experience that stands apart.
Packing List
- 1 x UL Certified Ecotric 20″ White Portable and Folding Fat Bike Model Dolphin
- 1 x Lithium-Ion Battery
- 1 x Kit Box
- 2 x Pedals
- 1 x Display
- 2 x Keys
- 1 x Tool Kit
- 2 x Reflectors
- 1 x Owner’s User Manual


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