More Features
Technical Specifications:
Motor Hub:
48V 750W(peak 1056W), max torque 75Nm
Battery:
48V, 13Ah, 624Wh Li-ion Battery
Charger:
54.6V 3.0A Microphone charging adapter
Display:
LCD Display Tracking your speed, pedal assist level, battery level
Throttle Assist:
Halt twist throttie
Headlight:
High output Integrated LED, IPx6
Pedal Assist Range:
73 Mlles
Throttle Range:
48 Miles
Pedal Assist:
I-5 Level, Cadence Sensor
Charging Time:
0-80% 4 Hours, 0-100% 6 Hours
Electricity and Energy:
Peak Motor
750/1056W
Top Speed
25KM/H
Max Range
48-73KM
Battery
48V 13AH
Gear Shifting System
7 Speed
Charging Time
5-6 Hours
Size
Standard: 5’3”-6’5”
SIZE
Total length
66.92"
Handlebar height
49.21"
Rear shelf height
24.4"
Minimum seat to floor
33.46"
Maximum seat to floor
38.18"
Wheelbase
49.21"
More Convenient Options
The U3 was developed in response to consumer demand. With the success and popularity of the U7 model in the market, in order to make Step-thru e-bikes available to more customers, we launched the more cost-effective U3. Unlike the U7 2.0, this model features a more affordable configuration for short trips and commuting, helping consumers to get a lighter and more portable e-bike with a lower budget.
1056W Peak Brushless Motor
Powered by a 750W brushless rear hub motor with a peak output of 1056W, this e-bike delivers up to 75Nm of torque for strong acceleration and impressive hill-climbing performance. In electric-only throttle mode, the default speed is set at 25 km/h, ensuring a smooth, stable, and comfortable ride for everyday commuting and exploration.
1056W
Motor Power
25 KM/H
Default Speed
75 Nm
Torque Provided
48V 13Ah High-Capacity Removable Battery
Equipped with a 48V 13Ah removable battery, this e-bike delivers reliable, long-lasting performance for everyday riding. The battery can be easily installed and removed for convenient charging at home, in the garage, or at the office. Enjoy a riding range of 48–73 km per charge, with a 5–6 hour charging time, keeping you ready for every trip.
624Wh
Battery Capacity
48–73 km
Miles Per Charge
5-6 Hours
Charging Time
Front Fork and Seatpost Suspension
Absorbs shocks from uneven surfaces and rough terrain, providing a smooth and comfortable ride. Reduces fatigue on long rides, improves handling and stability, and allows you to tackle hills, bumps, and off-road trails with confidence. Enjoy effortless control and a more enjoyable cycling experience every time.
LCD Display
Keeps you fully informed and in control by displaying your speed, pedal assist level, battery status, and other essential ride data. With clear, easy-to-read visuals, you can monitor your performance, plan your journey, and ride with confidence every time.
Electronic Control PAS Levels
PAS Levels Corresponding Speed and Range
PAS-1
PAS-2
PAS-3
PAS-4
PAS-5
Test results based on a 170 lbs rider on flat roads at 33°C. Actual range may vary based on terrain and riding conditions.
More Features
Simple and Easy-to-Fold Design
Quickly fold the bike for compact storage and effortlessly unfold it when you’re ready to ride. Perfect for commuting, small apartments, or taking your bike on the go.
Pedal Assist & Throttle
With 1–5 levels of pedal assist, you can save energy and ride effortlessly, while the throttle lets you maintain speed without constant pedaling. Breeze through traffic, avoid rush-hour stress, and arrive on time without breaking a sweat.
Shimano 7-Speed
Easily switch between gears to match any road condition, ensuring a smoother, more efficient, and comfortable ride. Enjoy precise control whether you’re climbing hills, cruising on flat roads, or navigating city streets.
Front and Rear Lights
Bright front and rear lights enhance visibility in low-light or dark conditions, helping you stay safe and clearly seen by others on the road.
160 mm Mechanical Brake
Delivers consistent and reliable stopping power, ensuring safety and confidence on a variety of terrains. Ride with peace of mind, knowing you can brake effectively whenever needed.
20" × 3" Spoked Wheels
Equipped with 20" × 3.0 fat tires featuring a granular tread pattern, these wheels deliver superior traction and anti-skid performance. They provide stability and confidence on sand, snow, mud, and uneven terrain, making every ride safer and more enjoyable.
What do they say?
Specification & Geometry
Size & Fit
Geometry
Technical
Performance
Assembly Video
Parts
Size
Total length
66.92"
Handlebar height
49.21"
Minimum Seat Height
33.46"
Maximum Seat Height
38.18"
Top tube length
22.83"
Handlebar length
24.4"
Head tube length
16.73"
Wheelbase
49.21"
- Recommended Rider Height: 5'3" ~ 6'5"
- Tires: 20" × 3" Fat Tires
- Frame Material: Aluminum
- Fender: Included
- Battery: 48V 13Ah (Range: 48–73 km)
- Motor: 1056W Brushless Hub Motor
- Gear Shifting System: Shimano 7-Speed
- Pedal Assist: Intelligent 0–5 Level
- Controller: 48V / 22A
- Suspension: With Locking and Adjustment Functions
- Display: 48V LCD Display
- Bell/Horn: Electric Horn
- Throttle: Twist Grip
- IP Level: IPX6
- Rear Light: Signal Turn Light / 48V LED Light
- Mile Range: 48–73 km
- Max Speed: 45 KM/H
- Total Payload Capacity: 330 lbs
U3 FQAS
We have pre-assembled 90% of the bike for you. You only need to tighten the wheel bolts, install the seat and handlebars, and attach a few remaining parts to be ready to ride.
The U3 covered for 12 months.
For detailed warranty terms, please refer to our Warranty Policy.
The U3 is set with a default speed of 25 km/h, making it ideal for outdoor exploration and long-distance rides. When the speed limit is removed, the e-bike can reach a top speed of up to 45 km/h. For instructions on how to safely unlock the speed limit, please contact our customer service team.
The U3 meets the IPX6 waterproof standard, protecting against light to moderate rain and splashes.
Avoid riding in heavy rain or extreme weather, and never leave the bike exposed for long periods. Ride safely at all times.
The estimated delivery time is 2–9 business days. Certain exceptional situations may result in logistic delays.
A fat tire e-bike could handle varieties of riding conditions, especially off-road riding. As it is also foldable, you can easily load it into your car truck.
Customers can submit a return request within 30 days of receiving their order by contacting support@vitilanebike.com.
For detailed information on returns and refunds, please refer to our Return Policy.
