Carbon Classic Step-Thru E-Bike

Carbon Classic Step-Thru E-Bike

Relaxed cruiser for everyday city use

1096 Reviews
$1,999.00 $2,299.00 -$300.00
Carbon Fiber Expert
Toray® Carbon Fiber
38 lbs Lightweight
All-day Range
Up to 75 miles
Motor Power
Peak 750W
Torque Sensor
0 Response Latency
Colorful Display
LCD Screen
Safety Certified
UL 2849
Carbon Classic Step-Thru E-Bike

Relaxed cruiser for everyday city use

1096 Reviews
$1,999.00 $2,299.00 -$300.00
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02 Days
23 Hours
59 Minutes
59 Seconds
Size- Fit for 5’1’’~6’1’’
Style- Glacier Blue
Compatible Accessory
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Technical Specs>
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2-Year
Warranty
14-Day
Trial
Toray® Carbon Fiber
38 lbs Lightweight
All-day Range
Up to 75 miles
Motor Power
Peak 750W
Torque Sensor
0 Response Latency
Colorful Display
LCD Screen
Safety Certified
UL 2849
Carbon Classic Step-Thru E-Bike
$1,999.00 $2,299.00
or as low as$83.29/Month
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Carbon Classic Step-Thru E-Bike

Light as Air, Bold by Design

Built with aerospace-grade Toray™ carbon fiber, the Carbon Classic ST Electric City Bicycle is 50% lighter than aluminum yet incredibly strong. Its sleek carbon frame, torque sensor, and throttle deliver effortless control and instant acceleration-redefining smooth, powerful riding.

Watch video
Carbon Classic ST Electric City Bicycle

Why Carbon Fiber Is Worth It?

Carbon Classic ST Electric City Bicycle

Streamlined. Sophisticated. Classic.

Commute smarter with the Carbon Classic ST, a city ebike with a step-through frame for easy access, smooth rides, ample cargo space, and effortless urban freedom.
Commute smarter with the Carbon Classic ST, a city ebike with a step-through frame for easy access, smooth rides, ample cargo space, and effortless urban freedom.
Commute smarter with the Carbon Classic ST, a city ebike with a step-through frame for easy access, smooth rides, ample cargo space, and effortless urban freedom.
Commute smarter with the Carbon Classic ST, a city ebike with a step-through frame for easy access, smooth rides, ample cargo space, and effortless urban freedom.
Commute smarter with the Carbon Classic ST, a city ebike with a step-through frame for easy access, smooth rides, ample cargo space, and effortless urban freedom.
Commute smarter with the Carbon Classic ST, a city ebike with a step-through frame for easy access, smooth rides, ample cargo space, and effortless urban freedom.

Quality in details

Innovative Carbon Frame

Urtopia’s seamless low-step carbon frame is built from aerospace-grade carbon fiber—30% lighter than aluminum yet strong and sleek. Easy to mount, it delivers effortless elegance and performance.

Throttle & Pedal Assist Control

Switch between pedal assist and thumb throttle with an intuitive control panel. Enjoy instant acceleration for quick starts or heavy loads, while the torque-sensing assist delivers a smooth, natural ride.

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.

Adjustable Handlebar

With its 0–90° adjustable handlebar, this cruiser design suits riders of nearly all heights. Effortlessly shift between a sporty lean or relaxed upright position for all-day comfort and control.

Cushioned Saddle for Miles

The wide, shock-absorbing saddle ensures lasting comfort and support, while the adjustable seat post offers a perfect fit for riders of almost any height.

UL-Certified, Removable Battery

Enjoy up to 75 miles per charge with the 352.8 Wh Samsung Li-ion battery, UL 2271 certified for safety. Its removable design makes charging easy—at home, in the office, or on the go.

Powerful Motor & Shifting

The 750W peak motor delivers quick, powerful acceleration for easy climbs and heavy loads. Paired with a Shimano 8-speed drivetrain, it ensures smooth shifting on flats, hills, and winding paths alike.

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.

LCD Color Display & USB-C Charger

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, while the built-in USB-C port lets you charge your phone anytime you ride.

Hydraulic disc brakes

The 180mm hydraulic disc brakes deliver powerful, responsive stopping performance in all conditions. Equipped with cut-off brake levers, they instantly cut motor power when braking, ensuring safer, more controlled rides.

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.

Gear Up, Go Far

Equipped with a rear rack and travel-ready front fork with luggage mounts, the Carbon Classic ST Electric City Bicycle is built for long rides. Four extra frame mounts provide versatile storage-just pack up and go!

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 Classic ST Electric City Bicycle 1. How durable is the carbon frame of the Carbon Classic ST Electric City Bicycle?

The Carbon Classic ST is a premium urban e bike built with high-quality Toray T700/T800 carbon fibers and advanced EPS molding technology. This process creates a lightweight yet exceptionally strong and impact-resistant frame with a smooth, seamless interior that eliminates stress points. The result is a precisely engineered structure that offers the same reliability and performance you would expect from top-tier racing bikes, making it perfect for everyday city rides and long-term durability.

Carbon Classic ST Electric City Bicycle 2. What is the difference between a hub motor and a mid-drive motor?

Hub motors are generally lighter, smoother, and more responsive, making them ideal for city ebike rides and gravel roads. Mid-drive motors, on the other hand, deliver better performance on steep climbs but tend to be heavier, noisier, and more complex. The Carbon Classic ST and Carbon Classic eBike are designed for urban and gravel environments and feature a hub motor to provide an agile and effortless riding experience. For riders who often face steep hills, our Fusion models offer a powerful alternative.

Carbon Classic ST Electric City Bicycle 3. Is the handlebar adjustable?

Yes, this bike comes with a 60° adjustable handlebar that allows the rider to achieve the desired riding position

Carbon Classic ST Electric City Bicycle 4. Can I ride a step through cruiser e-bike in different weather conditions?

Yes, the Carbon Classic ST is designed to perform reliably in all weather conditions. With an IP65 rating for dust and water resistance, it protects you from rain and splashes. Its frame accommodates tires up to 45C wide, providing excellent stability and traction on wet, uneven, or rough surfaces. Whether riding through rain, dust, or challenging terrain, the Carbon Classic ST delivers a confident and dependable ride.

Carbon Classic ST Electric City Bicycle 5. What is the display on the Carbon Classic ST Electric City Bicycle?

Carbon Classic ST comfort ebikes come with a bright LCD display that shows speed, battery, and assist mode. It also comes with a USB-C port to charge your phone during a ride

Size Guide

xxxx
Recomm. rider height
A. Max Seat Height
B. Min Seat Height
C. Seat tube length
D. Wheelbase
E. Overall length
F. Wheel diameter
G. Top tube length (effective)
H. Head tube length
I. Handlebar grips height
J. Standover height
One Size
5’1’’ - 6’1’’
910 mm (36’’)
825 mm (32’’)
380 mm (15’’)
1092 mm (43’’)
1812 mm (71’’)
720 mm (28’’)
583 mm (23’’)
200 mm (8’’)
1160 mm (46’’)
477 mm (19’’)
Carbon Classic Step-Thru E-Bike

Specs

Carbon Classic Step-Thru E-Bike Carbon Classic Step-Thru E-Bike

General Info

Model
Carbon Classic Step-Thru E-bike
Net Weight
38 lbs w/o acc.
Material
Carbon fiber (frame, fork)
Range
Up to 75 miles
*The 75-mile range was tested with a 180 lb rider, riding in ECO mode on flat roads.
Top Speed
20mph by default
25mph upon unlock
Total Weight Limit
240 lbs
Rider Height
5’1’’ - 6’1’’
Brakes
TEKTRO hydraulic disc brake with power cut-off sensor
Wheels
700C (ISO 622mm BSD), 40C (45C max.) tires, puncture-proof tire
Water Resistance
IP65

Ebike System

Class
Class 2
Motor
750W (peak) rear hub, 60Nm
Battery
352.8Wh Samsung Li-ion, certified to UL-2271, removable battery
Pedal Assist
4 levels
Charger
2.5H fast charger
Display
3.5'' Color LCD display
Sensors
Torque sensor
Lights
Front: External light, 30 Lux
Rear: External rear light (Not ARES lights)

Drivetrain

Chainrings
44T
Crankset
Aluminum alloy, 170mm
Cassette
11-40T, 8 Speed
Chain
Shimano 8 speed
Rear Derailleur
Shimano 8 speed
Shift Lever
8 Speed Trigger
Pedals
9/16" Alloy Platform

Cockpit

Grips
Durable ergonomic Grips, lockable
Seat Post
Aluminum Alloy, φ31.6mm, 300mm
Size & Fit
One SizeFit for 5’1’’ - 6’1’’
A. Max Seat Height 910 mm (36’’)
B. Min Seat Height 825 mm (32’’)
C. Seat tube length 380 mm (15’’)
D. Wheelbase 1092 mm (43’’)
E. Overall length 1812 mm (71’’)
F. Wheel diameter 720 mm (28’’)
G. Top tube length (effective) 583 mm (23’’)
H. Head tube length 200 mm (8’’)
I. Handlebar grips height 1160 mm (46’’)
J. Standover height 477 mm (19’’)
Carbon Classic Step-Thru E-Bike
Technical Specs

General Info

Model
Carbon Classic Step-Thru E-bike
Net Weight
38 lbs w/o acc.
Material
Carbon fiber (frame, fork)
Range
Up to 75 miles
*The 75-mile range was tested with a 180 lb rider, riding in ECO mode on flat roads.
Top Speed
20mph by default
25mph upon unlock
Total Weight Limit
240 lbs
Rider Height
5’1’’ - 6’1’’
Brakes
TEKTRO hydraulic disc brake with power cut-off sensor
Wheels
700C (ISO 622mm BSD), 40C (45C max.) tires, puncture-proof tire
Water Resistance
IP65

Ebike System

Class
Class 2
Motor
750W (peak) rear hub, 60Nm
Battery
352.8Wh Samsung Li-ion, certified to UL-2271, removable battery
Pedal Assist
4 levels
Charger
2.5H fast charger
Display
3.5'' Color LCD display
Sensors
Torque sensor
Lights
Front: External light, 30 Lux
Rear: External rear light (Not ARES lights)

Drivetrain

Chainrings
44T
Crankset
Aluminum alloy, 170mm
Cassette
11-40T, 8 Speed
Chain
Shimano 8 speed
Rear Derailleur
Shimano 8 speed
Shift Lever
8 Speed Trigger
Pedals
9/16" Alloy Platform

Cockpit

Grips
Durable ergonomic Grips, lockable
Seat Post
Aluminum Alloy, φ31.6mm, 300mm

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