Comfortable, light, and easy to store.

Carbon Fold Step-Thru E-Bike

Comfortable, light, and easy to store.

1122 Reviews
$1,599.00 $1,799.00 -$200.00
Carbon Fiber Expert
Toray® Carbon Fiber
31 lbs Lightweight
All-day Range
Up to 50 miles
Space-efficient
20% more compact
Torque Sensor
0 Response Latency
Colorful Display
LCD Screen
Safety Certified
UL 2849
Carbon Fold Step-Thru E-Bike

Comfortable, light, and easy to store.

1122 Reviews
$1,599.00 $1,799.00 -$200.00
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Size- Fit for 4’11’’~6’5’’
Color- Glacier Blue
Compatible Accessory
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Technical Specs>
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2-Year
Warranty
14-Day
Trial
Toray® Carbon Fiber
31 lbs Lightweight
All-day Range
Up to 50 miles
Space-efficient
20% more compact
Torque Sensor
0 Response Latency
Colorful Display
LCD Screen
Safety Certified
UL 2849
Carbon Fold Step-Thru E-Bike
$1,599.00 $1,799.00
or as low as$66.62/Month
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The Carbon Lightest
Foldable Electric Bike

Lightweight, easy to ride, and sleek, Carbon Fold ST Electric Mini Bike embodies these qualities. With premium Carbon Fiber and Urtopia's design, it continues the legacy chosen by hundreds of thousands of Urtopians.

Carbon Fold ST Electric Mini Bike

Step In, Lower Than Ever

With the industry’s lowest step-through, the Fold ST makes getting on and off effortless for riders of almost all heights — combining easy access with sleek carbon style.

Carbon Fold ST Electric Mini Bike

Why Carbon Fiber Is Worth It?

Carbon Fold ST Electric Mini Bike

Fold it. Stow it. Ride anywhere.

Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.
Urtopia’s Carbon Fold ST redefines mobility as the lightest foldable electric bike, featuring a 2-step folding design for city commuting and easy storage anywhere.

Quality in details

Lowest Step Carbon Frame

The Fold ST weighs just 31 lbs in total, featuring a full carbon fiber build and the lowest step-through in the industry, fitting riders of nearly all heights. Its sleek, modern design with an integrated tail light combines lightness, comfort, and easy access.

LCD Color Display

The bright LCD color display shows speed, battery, and assist mode clearly—even under sunlight. Its clean, modern design keeps key stats visible at a glance.

Removable seat post battery

A design that doesn’t compromise the bike’s aesthetics, the seat post doubles as a removable battery. Simply fold the bike, place it in your car trunk, and take the lightweight seat post home for charging. Enjoy a convenient, easy lifestyle.

Adjustable handlebar

Easily raise or lower the handlebar to suit your posture. A top quick-release clamp lets you rotate and adjust the bars tool-free, so you can find the perfect height and grip without a wrench.

AirTag Mount — Never Lose Your Bike

Your extra layer of theft protection. Secure your AirTag discreetly on your e-bike and ride worry-free, knowing you can always track it if it’s ever lost or stolen.

Throttle (optional)

The Fold ST offers an optional throttle accessory — enjoy instant acceleration for quick starts and add a new way to ride.

Integrated Tail Light

An integrated tail light designed to blend seamlessly with the carbon frame, ensuring you are visible on any road at night. Your back is safer.

Torque Sensor Boost

The torque sensor delivers smooth starts and steady climbs, even under heavy loads — providing a natural-feeling ride and up to 30% more range than cadence-based systems.

Powerful Motor & Shifting

The 500W peak motor delivers quick, powerful acceleration for easy climbs. Paired with a Shimano 7-speed drivetrain, it ensures smooth shifting on flats, hills, and winding paths alike.

Hydraulic disc brakes

The hydraulic discs deliver powerful, responsive stopping in all conditions and cut motor power instantly when you brake.

Customized Fenders and Rear Rack

Fenders shield you from mud and rain on rugged trails, ensuring you’re ready for any weather. The custom rear rack adds versatility, letting you carry all your essentials effortlessly, no matter where your adventure leads.

A bike, cargo, and more!

This versatile lightest foldable electric bike meets all your needs, with accessories for kids, cargo, pets, and leisure. Whether commuting, running errands, or exploring, it effortlessly adapts to your lifestyle, offering convenience and endless possibilities.

It’s Time to Give It a Spin!

Experience the ride in person — with over 750 service partners across the U.S., you can enjoy a professional test ride and discover the Urtopia difference for yourself.

Test ride

Local Care, Anytime

Enjoy complete peace of mind with Urtopia’s trusted service network:
  • 2-year warranty on all e-bikes
  • 24-hour service response via our in-app support portal
  • Spare parts available locally, shipping within 3 days
  • 10+ technical experts with a 99% satisfaction rate
Learn more

FAQs

Carbon Fold ST Electric Mini Bike 1. Can the Carbon Fold ST Electric Mini Bike be ridden in the rain?

Yes. The Carbon Fold ST features an IP65 water-resistance rating, meaning it can handle light rain and splashes. However, it’s not completely waterproof. Avoid riding in heavy rain or through deep puddles to prevent water damage. After riding in wet conditions, wipe the bike dry—especially around the battery, display, and charging port—and let it fully air-dry before charging.

Carbon Fold ST Electric Mini Bike 2. Is it easy to carry a Carbon Fold ST light foldable electric bike upstairs or on public transport?

Yes. The Carbon Fold ST is designed as the lightest foldable electric bike, making it easy to fold and carry. Its lightweight frame and compact design allow you to bring it upstairs, store it in small spaces, or take it on public transport without hassle.

Carbon Fold ST Electric Mini Bike 3. Are Carbon Fold ST Electric Mini Bikes for sale suitable for long-distance commuting?

Absolutely. With a powerful motor and efficient battery, Carbon Fold ST models are suitable for extended rides. They provide comfort and reliability for daily commuting or city trips, making these electric mini bikes a practical option for longer distances.

Carbon Fold ST Electric Mini Bike 4. What type of motor power is a fast foldable electric bike?

Fast foldable electric bikes are equipped with high-performance motors, typically ranging from 250W to 500W, providing smooth acceleration and higher speeds for urban or light off-road rides. For example, the Carbon Fold ST E-Bike features a 500W motor, combining portability and high performance, making it ideal for daily use.

Size Guide

xxxx
Recomm. rider height
A. Max Seat Height
B. Min Seat Height
C. Overall length
D. Handlebar grips height
E. Headset height
F. Seat tube length
G. Wheel diameter
H. Wheelbase
I. Height after folding
J. Overall length after folding
One Size
4’11’’ - 6’5’’
1090 mm (43’’)
800 mm (31’’)
1540 mm (61’’)
1100 mm (43’’)
440-310 mm (17’’-12’’)
410 mm (16’’)
510 mm (20’’)
1025 mm (40’’)
720 mm (28’’)
810 mm (32’’)
Carbon Fold Step-Thru E-Bike

Specs

Carbon Fold Step-Thru E-Bike Carbon Fold Step-Thru E-Bike

General Info

Model
Carbon Folding Step-Thru E-Bike
Net Weight
31 lbs w/o acc.
Material
Carbon fiber (frame, fork)
Range
Up to 50 miles
*The 50-mile range was tested with a 180 lb rider, riding in ECO mode on flat roads without throttle.
Top Speed
20 mph
Total Weight Limit
220 lbs
Rider Height
4’11’’ - 6’5’’
Brakes
TEKTRO hydraulic disc brake
Wheels
Kenda 20’’ x 1.95’’

Ebike System

Class
Class 2
Motor
Peak 500W hub motor, 42Nm
Throttle
Optional (up to 20 mph)
Battery
252Wh seat post battery, certified to UL-2271, removable battery
Pedal Assist
4 levels
Charger
3.5hrs fast charger
Display
2’’ Color display
Sensors
Torque sensor
Lights
Front: External lights, 60 Lux
Rear: Integrated tail lights
Water Resistance
IP65

Drivetrain

Chainrings
52T
Cassette
14-28T, 7 Speed
Chain
Shimano 7 speed
Rear Derailleur
Shimano Tourney 7-Speed
Shift Lever
7 Speed Trigger
Size & Fit
One SizeFit for 4’11’’ - 6’5’’
A. Max Seat Height 1090 mm (43’’)
B. Min Seat Height 800 mm (31’’)
C. Overall length 1540 mm (61’’)
D. Handlebar grips height 1100 mm (43’’)
E. Headset height 440-310 mm (17’’-12’’)
F. Seat tube length 410 mm (16’’)
G. Wheel diameter 510 mm (20’’)
H. Wheelbase 1025 mm (40’’)
I. Height after folding 720 mm (28’’)
J. Overall length after folding 810 mm (32’’)
Carbon Fold Step-Thru E-Bike
Technical Specs

General Info

Model
Carbon Folding Step-Thru E-Bike
Net Weight
31 lbs w/o acc.
Material
Carbon fiber (frame, fork)
Range
Up to 50 miles
*The 50-mile range was tested with a 180 lb rider, riding in ECO mode on flat roads without throttle.
Top Speed
20 mph
Total Weight Limit
220 lbs
Rider Height
4’11’’ - 6’5’’
Brakes
TEKTRO hydraulic disc brake
Wheels
Kenda 20’’ x 1.95’’

Ebike System

Class
Class 2
Motor
Peak 500W hub motor, 42Nm
Throttle
Optional (up to 20 mph)
Battery
252Wh seat post battery, certified to UL-2271, removable battery
Pedal Assist
4 levels
Charger
3.5hrs fast charger
Display
2’’ Color display
Sensors
Torque sensor
Lights
Front: External lights, 60 Lux
Rear: Integrated tail lights
Water Resistance
IP65

Drivetrain

Chainrings
52T
Cassette
14-28T, 7 Speed
Chain
Shimano 7 speed
Rear Derailleur
Shimano Tourney 7-Speed
Shift Lever
7 Speed Trigger

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