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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
Urtopia Carbon Classic ST
Sale!
Urtopia Carbon Classic ST
Relaxed cruiser for everyday city use.
Original price was: $2,299.00.$1,999.00Current price is: $1,999.00.
Price includes full assembly.
Toray® Carbon Fiber 30% Lighter
All-day Range Up to 70 miles
Tap to Go Throttle
Torque Sensor 0 Response Latency
Colorful Display LCD Screen
Safety Certified UL 2849
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.
Streamlined. Sophisticated. Classic.
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.
FAQs
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.
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 ST 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.
3. Is the handlebar adjustable?
Yes, this bike comes with a 60° adjustable handlebar that allows the rider to achieve the desired riding position
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.
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.
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!
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!
Specs
General Info
Model
Carbon Classic Step-Thru E-bike
Range
Up to 75 miles
*The 75-mile range was tested with a 180 lb rider, riding in ECO mode on flat roads.
Rider Height
5’1’’ – 6’1’’
Water Resistance
IP65
Weight
38 lbs w/o acc.
Top Speed
20mph by default
25mph upon unlock
Brakes
TEKTRO hydraulic disc brake with power cut-off sensor
Material
Carbon fiber (frame, fork)
Total Weight Limit
240 lbs
Wheels
700C (ISO 622mm BSD), 40C (45C max.) tires, puncture-proof tire
Ebike System
Motor
750W (peak) rear hub, 60Nm
Charger
2.5H fast charger
Display
3.5” Color LCD display
Battery
352.8Wh Samsung Li-ion, certified to UL-2271, removable battery
Lights
Front: External light, 30 Lux
Rear: External rear light (Not ARES lights)
Class
Class 2
Pedal Assist
4 levels
Sensors
Torque sensor
Drivetrain
Chainrings
44T
Rear Derailleur
Shimano 8 speed
Pedals
9/16″ Alloy Platform
Cassette
11-40T, 8 Speed
Shift Lever
8 Speed Trigger
Chain
Shimano 8 speed
Crank Set
Aluminum alloy, 170mm
Cockpit
Grips
Durable ergonomic Grips, lockable
Seat Post
Aluminum Alloy, φ31.6mm, 300mm
Size Guide
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’’)
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