Quick Summary
The KETELES KF9 is a high-capacity, long-range folding e-bike built for power and endurance. With a massive 35Ah battery and a 1000W motor, it’s made for serious riders who want speed, torque, and freedom to ride farther.
Smooth Power Delivery
Equipped with a powerful 1000W motor and five levels of pedal assist, the KF9 offers smooth acceleration and strong hill-climbing. The throttle lets you ride without pedaling when needed.
Comfort & Control
With front and rear suspension and 4.0” fat tyres, the KF9 absorbs bumps and rough terrain with ease. Hydraulic disc brakes provide excellent stopping power and control in all conditions.
Smart Battery System
The oversized 48V 35Ah battery delivers one of the longest ranges in its class. It’s removable, lockable, and designed for all-day riding with built-in protections for safety and longevity.
Tech You Can Trust
The LCD display shows speed, assist level, battery status, and ride data clearly, even in sunlight. Integrated lights and a durable frame ensure a reliable ride, day or night.
Built for Everyday Use
Folds for easy transport or storage. Comes equipped with front and rear mudguards, rear rack, and integrated lighting—ideal for commuting, touring, or weekend adventure rides.
Please note that the use of electric scooters and electric bikes in the UK is subject to specific regulations.
Electric Scooters:
Currently, privately owned electric scooters are not permitted on public roads, pavements, or cycle lanes. They are only legal on private land with the landowner’s permission.
Riders are advised to familiarize themselves with local laws and guidelines to avoid potential fines or penalties.
Electric Bikes (E-Bikes):
Electric bikes that meet UK government criteria (pedal-assisted, motor limited to 250W, and a maximum speed of 15.5 mph) are classified as Electrically Assisted Pedal Cycles (EAPCs). These can be used on public roads and cycle lanes without a license, tax, or insurance.
Riders must be at least 14 years old to legally ride an EAPC in the UK.
By purchasing and using these products, customers acknowledge their responsibility to comply with all applicable laws and regulations. Our company cannot be held liable for misuse or legal consequences resulting from non-compliance.
For more information, please refer to the UK Government’s official guidelines.
The customer assumes all liability and risk associated with the use of electric scooter or electric bike products and holds TrailSurge and its owners free from any liability caused by their use. Certified helmets and full protective gears must be worn at all times for your own safety.
KETELES KF9 20 Inch Folding Electric Bike 48V 35AH Review Summary
What people like
Pros
- Powerful performance: Strong motor for acceleration and hill-climbing.
- Long battery range: High-capacity battery for extended rides.
- All-terrain capability: Fat tires and suspension handle various surfaces well.
- Secure braking: Hydraulic disc brakes provide reliable stopping power.
Your item will be delivered in 3-5 Working Days. We will dispatch your product and give you tracking details usually within 2 days of ordering. We use a panel of delivery companies such as DPD, Parcelforce, DX, and BJS Home Delivery.
Frequently Asked Questions
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