The DYU D3F is an ultra-compact 14-inch folding electric bike designed for urban commuters. Powered by a 250W continuous (500W peak) motor and a removable 36V 10Ah (360Wh) battery, it provides up to 50 km of range in pedal assist mode and 40 km in pure electric mode. Features dual disc brakes, integrated headlight and rear fog light, an LCD display, and a three-step quick-fold design. The cruise control function maintains speed for 8 seconds of hands-free throttle operation.
In brief: 250W Folding. 36V 10Ah battery. Class 2 (Throttle 32 km/h). Up to 25 km/h. Steel frame. From $199.
Specs verified Oct 14, 2026
Where to Find
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Price History
Current best price $499.00. Over the past 90 days: low $183.23, high $499.00, average $368.34 — up 35% vs average.
- DYU
- AliExpress - DYU electric bike Store
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Specifications
Classification
- E-Bike Class
- Class 2 (Throttle 32 km/h)
- Bike Type
- Folding
Motor
- Motor Position
- Rear Hub
- Wattage
- 250W
- Peak Wattage
- 500W
- Top Assist Speed
- 25 km/h
Battery
- Voltage
- 36.0V
- Capacity
- 10Ah
- Energy
- 360Wh
- Chemistry
- Li-ion
- Estimated Range
- 40 km – 50 km
- Charge Time
- 5.5 hrs
- Removable
- Yes
Frame & Build
- Frame Material
- Steel
- Frame Style
- Step-Through
- Wheel Size
- 14"
- Folding
- Yes
Drivetrain & Brakes
- Drivetrain
- Single Speed
- PAS Sensor
- Cadence
- Throttle
- Yes
- Brakes
- Mechanical Disc
Features
- Max Payload
- 120 kg
- Suspension
- None (Rigid)
- Integrated Lights
- Yes
- Color
- Black
Physical
- Weight
- 18 kg
