The SISIGAD Folding Electric Bike for Adults blends raw power, urban practicality, and off-road versatility into one compact, UL2849-tested package. With a 1500W peak motor, 48V 500Wh battery, and 20-inch fat tires, it’s built for riders who want performance without sacrificing portability.
Ideal for city commuters, weekend adventurers, or anyone who values flexibility and speed, the SISIGAD brings together high-end specs and everyday usability — all at a price point that makes it one of the most compelling e-bikes in its category.
- 【Powerful 1500W(Peak) Ebike】SISIGAD folding electric bike is equipped with a high-speed brushless motor that delivers 1500W of peak power, ensuring rapid acceleration for your daily commute. Capable of reaching a top speed of 25MPH, this folding ebike offers ample power to handle both regular travel and leisure rides with ease.
Design & Build Quality
The SISIGAD Folding Ebike impresses with its bold, industrial design and practicality. Built on a reinforced aluminum alloy frame, it combines strength and lightness, supporting a maximum load capacity of 330 lbs while remaining foldable and portable.
Its step-over geometry and 20-inch fat tires give it a balanced stance and superior stability. The matte-black finish with subtle branding gives it a professional, rugged aesthetic that fits both city streets and dirt trails.
Despite being a folding e-bike, the structure feels solid and confidence-inspiring — no frame flex or rattle, even at higher speeds. The rear cargo rack adds functionality, letting you carry groceries, a backpack, or light gear for daily commuting.
The folding mechanism is smooth, allowing you to fold the frame, handlebars, and pedals within 30 seconds, making storage or car transport effortless.
Motor Performance – 1500W Peak Power, 28 MPH Top Speed
At its heart, the SISIGAD packs a powerful 1500W peak brushless geared motor (rated at 750W continuous). It’s designed to handle both steep climbs and fast straightaways with ease.
You’ll hit top speeds up to 28 MPH on pedal assist, and 20–22 MPH using the throttle alone — placing this e-bike solidly in the Class 3 performance category.
The acceleration feels immediate yet controlled, and the motor torque provides excellent pulling power for slopes up to 30°. Combined with intelligent sine-wave control and optimized heat dissipation, the motor runs quietly and efficiently, even under load.
In short: it rides like a full-size mountain e-bike, but folds like a city commuter.
Battery & Range
Powering the system is a 48V 10.4Ah (500Wh) lithium-ion battery, integrated cleanly into the down tube. The battery is removable, lockable, and UL2849-certified for safety — giving peace of mind regarding overheating, fire, or electrical hazards.
- Range (Pedal Assist): Up to 60 miles
- Range (Throttle Only): Around 35 miles
- Charge Time: 5–6 hours
The intelligent Battery Management System (BMS) ensures long-term reliability by balancing cell charge and preventing over-discharge. You can charge the battery on or off the frame, making it easy for apartment dwellers or office commuters.
Riding Modes & Transmission
The SISIGAD offers three riding modes to suit any scenario:
- Pedal-Assist Mode: Extends range with smooth motor engagement
- Throttle Mode: Ideal for effortless cruising
- Manual Mode: Use as a regular 7-speed bicycle
The Shimano 7-speed drivetrain ensures smooth, precise shifting across a wide gear range. You can ride efficiently whether you’re climbing a hill or cruising on flat roads.
The intelligent pedal-assist system detects pedaling effort in real time, providing seamless torque assistance that feels natural, not jerky.
Comfort & Suspension
Riding comfort is a major highlight. The front hydraulic suspension fork and wide padded saddle work together with the 20” x 4” fat tires to absorb bumps and vibrations.
The result is an exceptionally smooth and stable ride — perfect for mixed-terrain travel. Whether on asphalt, gravel, grass, or light trails, the bike maintains consistent traction and control.
The ergonomic handlebar design keeps your posture upright and relaxed, minimizing wrist and shoulder strain during long rides.
Braking & Safety
The bike is equipped with dual mechanical disc brakes (front and rear), providing strong and predictable stopping power in all weather conditions. The system includes motor cut-off sensors, which immediately disengage power when braking — an essential safety feature at this performance level.
Additionally, the UL2849 certification confirms the entire electrical system (motor, battery, and controller) has been tested for safety, durability, and performance integrity.
Lighting & Visibility
The SISIGAD includes a front LED headlight and rear brake light, both powered by the main battery. The lighting setup provides excellent visibility for night commuting and early morning rides.
Reflective tire sidewalls add extra safety, making you visible from multiple angles in low-light environments.
Display & Controls
A bright LCD multifunction display keeps you informed at a glance, showing:
- Current speed and average speed
- Battery percentage and voltage
- Trip distance and odometer
- PAS level
- Light and error indicators
The display is waterproof and easily visible even under direct sunlight. The control buttons are intuitively placed near the left grip for one-hand operation while riding.
Tires & Terrain Versatility
The 20″ × 4.0″ all-terrain fat tires are built for adaptability. Their deep tread pattern grips securely on dirt, snow, sand, and pavement alike. Combined with front suspension, these tires give the SISIGAD a confident, cushioned feel even over uneven ground.
This bike performs equally well for:
- City commuting
- Beach cruising
- Trail rides
- Light off-roading
It’s a true hybrid, ready for both daily transportation and weekend adventure.
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Real-World Performance Summary
| Category | Specification | Performance Experience |
|---|---|---|
| Motor | 1500W Peak (750W Rated) | Fast, smooth acceleration |
| Top Speed | 28 MPH | Strong power even on hills |
| Battery | 48V 10.4Ah (500Wh) | Up to 60 miles per charge |
| Charging Time | 5–6 hours | Efficient and reliable |
| Transmission | Shimano 7-Speed | Smooth shifting, low maintenance |
| Suspension | Front Fork | Comfortable and stable ride |
| Tires | 20” x 4” Fat Tires | Great traction on all surfaces |
| Brakes | Mechanical Disc | Strong, safe stopping |
| Lighting | Front & Rear LED | Bright and reliable |
| Certification | UL2849 Tested | Electrical safety assured |
Portability & Folding Mechanism
Weighing around 68 lbs, the SISIGAD folds easily for storage in compact spaces like apartments, SUVs, or offices. Once folded, its dimensions make it convenient for public transport or car trunk storage.
Despite the foldable frame, the locking hinges feel sturdy and stable — with no wobble during riding. This portability is a huge advantage for commuters who need to combine cycling with train or car travel.
Pros & Cons
Pros
- 1500W peak motor with excellent torque and acceleration
- UL2849-certified electrical safety system
- 48V removable lithium battery with up to 60-mile range
- Front suspension and fat tires for smooth all-terrain comfort
- Compact foldable frame for easy storage
- 7-speed Shimano transmission
- Dual mechanical disc brakes with motor cut-off safety
- Integrated LED lighting and rear cargo rack
Cons
- Slightly heavy for some riders due to motor and frame reinforcement
- Mechanical brakes (not hydraulic)
- No rear suspension (front fork only)
Verdict – Should You Buy the SISIGAD Folding Electric Bike?
The SISIGAD 1500W Folding Electric Bike is one of the most balanced, versatile, and safety-certified e-bikes in its category. It combines the speed and torque of a full-sized electric mountain bike with the portability of a compact commuter bike, making it a rare dual-purpose powerhouse.
If you want an e-bike that’s fast, safe, and foldable, yet capable of tackling both city commutes and off-road trails, the SISIGAD is an exceptional choice.
Perfect for:
- Commuters who need fold-and-go convenience
- Riders who want both power and safety (UL2849 tested)
- Weekend explorers seeking fun and range
With its 1500W motor, 60-mile range, and UL-certified components, the SISIGAD stands out as one of 2025’s best-performing mid-range folding e-bikes for adults.
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