HEADEER BD2640 vs VIVI FM20UL
Side-by-side eBike comparison · Specs, scores & verdict
Too close to call — scores within 5 points
Full Specs Comparison
⚡ Motor & Power
Hub-drive-rear
Motor Type
Hub-drive-rear
750 W✓
Nominal Power
—
—
Peak Power
✓1000 W
—
Torque
✓65 Nm
—
Sensor Type
Cadence
—
PAS Levels
✓5
—
Throttle
✓✓ Yes
45.0 km/h✓
Max Assist Speed
25.0 km/h
🔋 Battery & Range
1037 Wh✓
Battery Capacity
374 Wh
80 km
Claimed Range
80 km
✓ Yes
Removable Battery
✓ Yes
—
Battery Position
Integrated
🚲 Frame & Fit
Step-over
Frame Style
Step-over
Steel
Frame Material
Aluminum
36.1 kg
Weight
✓25 kg
150 kg
Max Payload
150 kg
🔧 Suspension
—
Front Suspension
Coil
—
Front Travel
✓60 mm
None
Rear Suspension
None
⚙️ Drivetrain & Brakes
7-speed
Gears
7-speed
—
Drive System
Chain
Mechanical-disc
Brake Type
Mechanical-disc
—
Rotor Size (F)
✓160 mm
—
Rotor Size (R)
✓160 mm
🛞 Wheels & Tires
26.0"
Wheel Size
20.0"
4.00"
Tire Width
2.40"
Fat
Tire Type
Fat
—
Puncture Protection
✓✓ Yes
📱 Tech & Features
Color
Display
Lcd
None
Connectivity
None
✓ Yes
Lights
✓ Yes
✓ Yes
Rear Rack
✓ Yes
✓ Yes
Fenders
✓ Yes
—
Walk Assist
✓✓ Yes
—
USB Charging
✗ No
📝 Our Verdict
The biggest measurable difference: range — the HEADEER BD2640 leads by 17 points. Both eBikes score closely overall, making this a genuine toss-up on raw performance. For hill climbing and loaded riding, the VIVI FM20UL's superior torque gives it the edge.
HEADEER BD2640 vs VIVI FM20UL — HEADEER BD2640
The HEADEER BD2640 (44/100) and VIVI FM20UL (45/100) score nearly the same overall. Both eBikes are closely matched — check the spec table above to find the best fit for your riding style.





