VTUVIA
SX20
Model year 2025
$1,5997.6
Price and specs last reviewed Jul 6, 2026
A folding step-through fat tire e-bike with torque sensor, offering portability without compromising on power or ride quality.
- ✓ Folding step-through design
- ✓ Torque sensor pedal assist
- ✓ 20x4.0 fat tires
- ✓ 750W motor with 85Nm
- ✓ 30-second fold time
CommutingRecreation
Scores
How we score →Overall score
7.6
Value
7.2
Range
7.5
Power
8
Comfort
7.5
Build quality
7.5
Versatility
8
Specifications
Motor & Drivetrain
- Motor type
- Rear hub
- Motor brand
- Torque
- 85 Nm
- Assist levels
- Class
- Class 2 (throttle, 20 mph)
- Top speed
- 20 mph
- Throttle
- Yes
Battery
- Capacity
- 14 Ah
- Range (claimed)
- 70 mi
- Range (real-world)
- ~45 mi
- Charge time
- 7 hrs
- Removable
- No
Frame & Comfort
- Frame type
- Step-through
- Material
- Aluminum
- Wheel size
- 20"
- Weight
- 70 lbs
- Max. payload
- 330 lbs
- Suspension
- front
Gearing
- Type
- Derailleur
- Speeds
- 7
- Brand
- Shimano
- Warranty
- 2 yr
Who is this bike for?
Best for
- ✓Commuting riders
- ✓Recreation riders
- ✓Heavier riders (supports up to 330 lbs)
Consider alternatives if you...
- ○Need to lift the bike frequently — at 70 lbs it is heavy
