Urtopia – Carbon Fold Step-Thru E-Bike

Carbon Fold ST Folding Step-Thru Carbon Fiber E-Bike

The Carbon Fold ST represents the pinnacle of lightweight, accessible electric mobility. At just 31 lbs, it is the lightest foldable electric bike in its class, featuring a full Toray® carbon fiber construction with the industry’s lowest step-through design. This sleek, modern mini bike embodies the design excellence chosen by hundreds of thousands of riders, delivering an effortless riding experience for nearly all heights and abilities.

Revolutionary Lightweight Carbon Design

• Ultralight 31 lbs Carbon Fiber Frame: Full Toray® carbon fiber construction makes this the lightest foldable e-bike available—easy to carry, lift, and maneuver in any situation.
• Lowest Step-Through in the Industry: Industry-leading low step-through frame provides unparalleled accessibility, making mounting and dismounting effortless for riders of all ages and mobility levels.
• Space-Efficient Folding: 20% more compact than previous folding designs. Folds to just 28″ (height) x 32″ (length) x 19″ (width) for convenient storage in apartments, offices, car trunks, and RVs.
• Fits Nearly All Riders: Accommodates riders from 4’11” to 6’5″ with an extensive adjustment range, making it a truly universal e-bike solution.

Intelligent Power & Extended Range

• 500W Peak Motor: Powerful rear hub motor delivers 42Nm of torque for quick starts, steady climbs, and confident acceleration—even under heavy loads.
• Removable Seat Post Battery (252Wh): Elegantly integrated battery doubles as the seat post, preserving the bike’s clean aesthetics. Simply fold the bike and take the lightweight seat post inside for convenient charging. Certified to UL-2271.
• All-Day Range Up to 50 Miles: Cover significant distances with up to 50 miles of range in ECO mode (tested with 180 lb rider on flat roads without throttle).
• Torque Sensor Technology: Advanced torque sensor delivers 0 response latency and smooth, natural-feeling power delivery. Provides up to 30% more range than cadence-based systems while ensuring steady climbs and smooth starts.

Premium Components & Rider-Focused Features

• Shimano 7-Speed Drivetrain: Smooth, reliable shifting with 52T chainring and 14-28T cassette for versatile gearing on flats, hills, and winding paths.
• TEKTRO Hydraulic Disc Brakes: Powerful, responsive stopping in all conditions with instant motor cut-off when brakes are applied for enhanced safety.
• Color LCD Display with USB-C Charging: Bright 2″ color screen shows speed, battery, and assist mode clearly—even in direct sunlight. Built-in USB-C port lets you charge your phone on the go.
• Optional Throttle: Add instant acceleration for quick starts and a new way to ride with this optional Class 2 accessory.
• UL 2849 Certified: Complete electrical system certification ensures the highest safety standards.

Technical Specifications

Folding Dimensions & Fit

Quality in Every Detail

• Tool-Free Adjustable Handlebar: Easily raise, lower, or rotate the handlebar to suit your posture with the top quick-release clamp—no wrench needed.
• Hidden AirTag Mount: Extra layer of theft protection with a discreet built-in compartment to secure an AirTag. Track your bike anytime if it’s ever lost or stolen.
• Integrated Tail Light: Seamlessly blends with the carbon frame, ensuring visibility on any road at night for safer riding.
• Custom Fenders and Rear Rack: Fenders shield you from mud and rain, while the custom rear rack lets you carry all your essentials effortlessly.
• 60 Lux Front Light: Exceptionally bright front light cuts through darkness for confident riding day or night.
• 20″ Kenda Tires: Stable, confident handling on city streets and light trails.