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Koolux BK10s Fat Tyre Electric Bike

Versatile folding design

£699.00
Out of Stock
Delivered by Sunday if you order within 3 hrs 13 min
  • SPEEDSPEED16 Mph
  • RANGERANGE35 Miles
  • MOTORMOTOR250 W
  • BATTERYBATTERY13 Ah
  • CHARGINGCHARGING5 Hours
  • WEIGHTWEIGHT134 Lbs
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UK Legislation
UK Legislation

This model is fully compliant with UK road regulations.

See UK Legislation

Warranty

Every BikTron purchase includes a 12-month warranty.

See Warranty Details
Questions? Give us a call at +44 6453 746234

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.

Koolux BK10s Fat Tyre Electric Bike

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.

Koolux BK10s on a trail

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.

Folded Koolux BK10s

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.

  • Battery
    13 Ah
  • Charging Time
    5 Hrs
  • Speed
    16 Mph
  • Motor Power
    250 W
  • Range
    35 Miles
  • Brake System
    Mechanical Disc
  • Frame Material
    Aluminium Alloy
  • Weight
    134 Lbs
  • Max Load
    584 Lbs
  • Tire Size
    20 In
  • Torque
    58 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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