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Koolux BK6S Foldable Electric Bike - Versatile and Powerful
Foldable, Fat Tyre, Multi-Terrain


SPEED17 Mph
RANGE37 Miles
MOTOR250 W
BATTERY13 Ah
CHARGING5 Hours
WEIGHT161 Lbs

The Koolux BK6S is a foldable electric bike designed to deliver exceptional performance across various terrains. Whether you're navigating city streets or exploring off-road trails, this bike offers the versatility and power you need.

Unmatched Versatility
With its robust 20x4.0-inch fat tyres, the Koolux BK6S ensures excellent traction and stability on diverse surfaces. This makes it ideal for both urban commuting and adventurous rides on rugged paths.

Powerful Performance
Equipped with a 250W motor, the bike reaches speeds of up to 25km/h, with the potential to unlock up to 45km/h. The 48V 13Ah lithium-ion battery provides a range of up to 95 km, depending on the mode and conditions.

Comfort and Safety
The Koolux BK6S features front suspension and wide tyres for a smooth ride, even on uneven terrain. Its front and rear disc brakes ensure reliable stopping power, enhancing safety in all riding conditions.

Convenient Design
The foldable aluminium frame makes the Koolux BK6S easy to transport and store. Its lightweight design does not compromise on strength, providing a sturdy ride that can handle a maximum load of 120kg.

Advanced Features
Choose from three riding modes: pedal assist, pure electric, and classic pedal. The Shimano 7-speed gears offer smooth transitions, while the LCD display keeps you informed of speed, battery level, and more.

Experience the freedom and flexibility of the Koolux BK6S electric bike. Order today for fast UK delivery and start your next adventure.
- Battery13 Ah
- Charging Time5 Hrs
- Speed17 Mph
- Motor Power250 W
- Range37 Miles
- Brake SystemMechanical Disc
- Frame MaterialAluminium Alloy
- Weight161 Lbs
- Max Load584 Lbs
- Tire Size20 In
- Torque50 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.
Related Models
More From This Brand
Explore additional electric bikes from the same brand, offering similar quality, performance, and value to match your riding needs.
Koolux BK10s Fat Tyre Electric Bike
SPEED16 Mph
RANGE35 Miles
MOTOR250 W
BATTERY13 Ah
Koolux BK6S PRO Double Battery E-Bike
SPEED15 Mph
RANGE93 Miles
MOTOR250 W
BATTERY23 Ah
Koolux X9 Electric Bike with Fat Tires
SPEED16 Mph
RANGE50 Miles
MOTOR250 W
BATTERY15 Ah
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