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Koolux BK10s Fat Tyre Electric Bike
Versatile folding design
SPEED16 Mph
RANGE35 Miles
MOTOR250 W
BATTERY13 Ah
CHARGING5 Hours
WEIGHT134 Lbs

Experience the ultimate in versatility and performance with the Koolux BK10s Fat Tyre Electric Bike. This folding electric bike is designed to tackle a variety of terrains, from city streets to mountain trails, thanks to its robust 20x4.0-inch tyres and powerful 250W motor.

Unmatched Versatility
The Koolux BK10s offers three distinct riding modes: pedal assist, pure electric, and classic pedal. Whether you're commuting to work or exploring off-road paths, this bike adapts to your needs. The Shimano 7-speed gears ensure smooth transitions and efficient pedalling.
Powerful Performance
Equipped with a 250W motor delivering 58Nm of torque, the BK10s provides a thrilling ride with a top speed of 25 km/h, adhering to UK road regulations. The 48V 12Ah lithium-ion battery offers a range of 35 to 90 km, depending on terrain and riding style, with a charging time of just 5-6 hours.

Comfort and Safety
Ride with confidence thanks to the front fork suspension and powerful disc brakes. The multifunctional LCD display keeps you informed with essential ride data. For added safety, the bike features front and rear lights, ensuring visibility in low-light conditions.
Compact and Portable
The Koolux BK10s is designed for easy storage and transport. Its foldable aluminium alloy frame reduces its size to a compact 92x50x80 cm, making it perfect for city dwellers and travellers alike. Weighing just 27.7 kg, it's easy to carry and store.

Durability and Design
Built to last, the Koolux BK10s features a durable aluminium frame and puncture-resistant tyres, ensuring longevity and reliability. The hidden 48V 13Ah battery is easily removable for convenient charging, providing long-lasting power for your adventures.
Order your Koolux BK10s Fat Tyre Electric Bike today and enjoy fast UK delivery. Experience the freedom of electric biking with a model that combines performance, comfort, and portability.
- Battery13 Ah
- Charging Time5 Hrs
- Speed16 Mph
- Motor Power250 W
- Range35 Miles
- Brake SystemMechanical Disc
- Frame MaterialAluminium Alloy
- Weight134 Lbs
- Max Load584 Lbs
- Tire Size20 In
- Torque58 Nm
Yes. All electric bikes sold by Biktron are brand new, factory-sealed, and sourced directly from authorized manufacturers and official distributors.
You can select your bike based on riding style (city, mountain, cargo, folding), range, motor power, and terrain. If you’re unsure, our team can help you choose the best model for your needs.
Yes. Every e-bike battery is brand new and original from the manufacturer, with full safety certification and performance testing.
Yes. Each e-bike undergoes a quality control check before dispatch, including electronics, brakes, motor response, and battery performance.
Yes. All electric bikes purchased from Biktron include a manufacturer warranty. Warranty duration depends on the brand and model.
Standard delivery usually takes 2 to 7 business days within the UK. Delivery times may vary for remote areas.
We accept Stripe, PayPal, Apple Pay, Google Pay, and debit/credit cards. All payments are secured with SSL encryption.
Yes. You can return your bike within 14 days of delivery if it is unused, in original packaging, and in resalable condition.
Most electric bikes arrive 85–90% pre-assembled. Basic setup such as handlebars, pedals, and seat adjustment is usually required.
Currently, Biktron focuses on deliveries within the UK. International shipping may be added in the future.
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.
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Koolux BK10s Fat Tyre Electric Bike
SPEED16 Mph
RANGE35 Miles
MOTOR250 W
BATTERY13 Ah
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