Description:
Urtopia Carbon Classic Step-Through E-Bike – Lightweight 38 lb Carbon Commuter
Easy to ride. Easy to carry. Built for everyday comfort.
The Urtopia Carbon Classic Step-Thru is one of the lightest step-through e-bikes available at just 38 lbs. Designed for effortless mounting, smooth riding, and real-world commuting, it combines a premium carbon fiber frame with responsive electric power.
- ✔ Step-through frame – easy on and off
- ✔ Only 38 lbs – ultra lightweight e-bike
- ✔ Up to 75 miles range
- ✔ Carbon fiber frame – strong, smooth, and durable
- ✔ 750W peak motor with 60Nm torque
Why Choose a Step-Through E-Bike?
Step-through e-bikes are designed for convenience and comfort.
The low frame design allows you to mount and dismount easily — perfect for daily commuting, stop-and-go city riding, or riders who prefer a more accessible frame.
Unlike heavy step-through bikes, the Carbon Classic ST stays incredibly light thanks to its full carbon fiber construction.
Ultra Lightweight Carbon Frame (38 lbs)
Built with aerospace-grade Toray™ carbon fiber, this lightweight electric bike is up to 50% lighter than aluminum while maintaining exceptional strength.
At just 38 lbs, you can:
• Carry it upstairs easily
• Load it into a car without effort
• Ride it like a traditional bicycle
Smooth Power for Everyday Riding
The integrated torque sensor delivers a natural riding feel by adjusting power based on how hard you pedal.
Combined with a 750W peak motor and 60Nm torque, you get:
• Smooth acceleration
• Easy hill climbing
• Controlled, predictable power
Designed for Comfort & Utility
This step-through commuter e-bike is built for real-world use.
• Upright riding position for comfort
• Rear rack included for cargo
• Multiple mounting points for accessories
• Stable geometry for confident riding
Perfect for commuting, errands, and everyday city travel.

Long Range Battery & Fast Charging
Equipped with a premium Samsung battery, the Carbon Classic Step-Thru delivers up to 75 miles of range on a single charge.
Recharge quickly with the included fast charger and stay ready for daily rides.

Technical Specifications – Carbon Classic Step-Through E-Bike
Compare key specs for lightweight step-through e-bikes, commuter e-bikes, and carbon electric bikes.
| General Info | |
| Model | Carbon Classic Step-Thru E-bike |
|---|---|
| Net Weight | 38 lbs (without accessories) |
| Material | Carbon fiber (frame, fork) |
| Range | Up to 75 miles |
| *The 75-mile range was tested with a 180 lb rider in ECO mode on flat roads. | |
| Top Speed | 20 mph by default 25 mph 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.) puncture-proof tires |
| Water Resistance | IP65 |
| E-Bike System | |
| Class | Class 2 |
| Motor | 750W (peak) rear hub motor, 60Nm torque |
| Battery | 352.8Wh Samsung Li-ion, UL-2271 certified, removable |
| 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 |
| 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 |
Frequently Asked Questions
How heavy is the Step-Through model?
The bike weighs approximately 38 lbs, making it one of the lightest step-through electric bikes available.
Who is a step-through e-bike best for?
Step-through bikes are ideal for commuters, casual riders, and anyone who wants easier mounting and a more comfortable riding experience.
Is it good for daily commuting?
Yes, it is designed specifically for city commuting with comfort, stability, and practical cargo options.
What is the range?
Up to 75 miles depending on rider weight, terrain, and assist level.
Is it easy to carry?
Yes — at just 38 lbs, it is significantly lighter than most e-bikes and easy to transport.
Explore More Urtopia E-Bikes
Looking for a different riding style?
• Prefer a traditional frame? Check out the Urtopia Carbon Classic E-Bike
• Want more performance? Explore other Urtopia electric bikes
Build your perfect ride with lightweight carbon e-bike technology.
Shipping
Ready to ship in 2 days.
Return Policy
Our regular policy applies, please check our return policy for more details.