Get £50 Off Your First Order!

NEED SUPPORT? CALL US: +44 7944 571577.

KOOLUX BK6 Folding Electric Bike

Shop the KOOLUX BK6 folding electric bike for city commuting, with fat tyres, 250W power and up to 65 miles of range for everyday riding.

£599.00
£899.00Save £300.00
3 payments of £199.67 at 0% interest withklarna
Select Color: Red
Delivered by Thursday if you order within 2 hrs 53 min
  • SpeedSPEED15.5 Mph
  • RangeRANGE65 Miles
  • MotorMOTOR250 W
  • BatteryBATTERY15 Ah
Road Legal

See full UK Road Legal.

Not sure which bike suits you best? Try our Bike Finder.

Secure checkout with card, PayPal, Apple Pay, Google Pay, Klarna and Clearpay.

  • visa
  • master
  • apple
  • googlePay
  • paypal
  • klarna
UK Stock - Fast and free delivery across the UK from Birmingham.
Road Legal - Shop with confidence using clear guidance on road-legal UK e-bikes.
Warranty - Includes a 12-month manufacturer warranty for extra peace of mind.
UK Support - Helpful UK support before purchase and after your bike arrives.
Need help? Chat with us for quick clarifications

Product Overview

The KOOLUX BK6 Folding Electric Bike is a practical choice for everyday city commuting and flexible day-to-day riding. Its folding design makes it easier to store and transport, while the 20×3.0 tyres add a stable, confident feel on urban routes.

Built with a 250W 36V brushless motor, 36V 13Ah battery and aluminium alloy frame, the BK6 combines assisted power with a compact format. Front suspension, 7-speed transmission and dual disc brakes help deliver comfort, versatility and control on regular journeys.

Key Features

Here are some of the standout features of the KOOLUX BK6 Folding Electric Bike:

  • 250W 36V brushless motor for smooth assisted riding
  • 36V 13Ah battery with a stated range of 45KM-100KM
  • Folding frame design for easier storage and transport
  • 20×3.0 fat tyres for added grip and stability
  • Double disc brake system for reliable stopping power
  • Shock absorber front fork for improved ride comfort
  • 7-speed transmission for more flexibility across different routes
  • Integrated LED headlight and taillight for visibility in low light

What to Expect

The KOOLUX BK6 is designed for practical, comfortable riding with a maximum speed of 15.5 mph and a stated range of up to 65 miles. It is well suited to commuting, local errands and everyday use, with a balance of compact convenience, steady power and dependable control.

What’s Included

  • Electric bike
  • Battery
  • Charger
  • User manual

Assembly & Setup

The bike is designed to keep setup straightforward. Once delivered, follow the user manual for assembly and charging before your first ride.

Support After Purchase

After your purchase, keep your user manual handy for setup and day-to-day operation. The KOOLUX BK6 is built for regular use, with practical components chosen for everyday riding.

Technical Specifications

Motor Power 250W 36V brushless
Battery 36V 13Ah
Range 45KM-100KM (75 kg tester)
Charging Time 5-6 hours
Braking System Double disc brake
Tyre Size 20×3.0
Front Fork Shock absorber fork
Gears 7-speed transmission
Maximum Speed 15.5 mph
Maximum Pitch Angle 25 degrees
Water Resistance IP54
Frame Material Aluminum alloy
Unfolded Size 1680 mm x 560 mm x 1200 mm
Package Size 960 mm x 380 mm x 745 mm
Gross Weight 33.5 kg
Net Weight 27.5 kg
Range (Miles) 65 miles

Road Legal (EAPC)

These bikes are built to comply with UK Electrically Assisted Pedal Cycle (EAPC) regulations, meaning they can be used on public roads and cycle paths without registration, tax, or a licence. Motor assistance is limited to 250W and cuts off at 15.5 mph (25 km/h). You can read the official requirements on the UK government website.

Configurable Models

Some bikes are supplied in a restricted, road-legal setup but are capable of higher performance. If modified or used beyond EAPC limits, they may no longer qualify as road legal and could be classified as motor vehicles under UK law. This may require registration, insurance, and a driving licence. For full guidance, please refer to the official UK e-bike rules.

Private Use Only

Certain high-performance models are intended strictly for private land use with the landowner’s permission. These bikes do not meet EAPC standards and cannot be used on public roads, cycle paths, or pavements unless fully registered and insured in accordance with UK law.

If you're unsure which option is right for you, our team is here to help. Feel free to contact us before purchasing for clear guidance and peace of mind.

Fast UK Delivery

We offer fast and reliable delivery across the UK, with most bikes dispatched within 24–72 hours and usually arriving in 3–7 working days. Every order is shipped with trusted couriers and includes tracking, as explained in our payment and shipping page, so you can follow your delivery from dispatch to arrival.

Shipping Information

Standard UK shipping is free on most bikes. Orders placed after 12 PM may ship the next working day, and some remote areas may have extra delivery charges. If a delivery is missed or returned after failed attempts, additional shipping fees may apply, as detailed in our shipping policy.

14-Day Returns

You can return your bike within 14 days of delivery as long as it is unused, in its original condition, and includes all accessories, manuals, and packaging. Please contact us first before sending anything back, following the steps outlined in our returns and refunds policy.

Refund Policy

Once your returned bike is received and inspected, approved refunds are issued to your original payment method within 2–5 business days. If the item arrives faulty, damaged, or incorrect, we cover return shipping and provide a full refund, as explained in our refund guidelines.

Customer Reviews

See why riders choose BikTron for value, delivery speed, and after-sales support.

Jakob Russ (London)
star0star1star2star3star4
"Great experience with Biktron.uk. Fast delivery, excellent customer service, and the bike quality is outstanding for the price. Everything was smooth from order to delivery. Highly recommend!"
Amelia R. (Manchester)
star0star1star2star3star4
"Customer support was fantastic and helped me pick the right frame size within an hour. Klarna instalments made the purchase stress-free, and the bike’s motor is quiet yet powerful. I’ve already done several long rides and the range is better than expected."
Jacob S. (Bristol)
star0star1star2star3star4
"My courier was delayed by a day, but BikTron kept me fully informed and even followed up to check delivery. The bike handles hills far better than I imagined and feels solid on longer rides. Overall, very happy with the purchase and the service."
Sophie M. (Leeds)
star0star1star2star3star4
"Ordering was simple and I loved the clear specs and photos online. The bike arrived well protected, and setup took less than 20 minutes. It rides beautifully — smooth, fast, and stable — and I’m already recommending BikTron to friends who want great value."

You may also like

Explore additional electric bikes from the same brand, offering similar quality, performance, and value to match your riding needs.

VITILAN U7 Fat Tyre Folding Electric Bike
Private Use

VITILAN U7 Fat Tyre Folding Electric Bike

£849.00
£1,199.00
Save £350.00
3 payments of £283.00 at 0% interest withklarna
  • SpeedSPEED28 Mph
  • RangeRANGE56 Miles
  • MotorMOTOR750 W
  • BatteryBATTERY20 Ah
ENGWE Engine Pro 3.0 Boost Folding Electric Bike
Road Legal

ENGWE Engine Pro 3.0 Boost Folding Electric Bike

£1,699.00
3 payments of £566.33 at 0% interest withklarna
  • SpeedSPEED15.5 Mph
  • RangeRANGE80 Miles
  • MotorMOTOR250 W
  • BatteryBATTERY15 Ah
DYU D3F Folding City Electric Bike
Road Legal

DYU D3F Folding City Electric Bike

£379.00
£549.00
Save £170.00
3 payments of £126.33 at 0% interest withklarna
  • SpeedSPEED15.5 Mph
  • RangeRANGE31 Miles
  • MotorMOTOR250 W
  • BatteryBATTERY10 Ah
SAMEBIKE LO26-II-YD Folding Electric Bike
Road Legal

SAMEBIKE LO26-II-YD Folding Electric Bike

£699.00
£829.00
Save £130.00
3 payments of £233.00 at 0% interest withklarna
  • SpeedSPEED15.5 Mph
  • RangeRANGE31 Miles
  • MotorMOTOR250 W
  • BatteryBATTERY14 Ah
quiz

Let’s Find Your Dream Electric Bike

Answer a few fun questions and we’ll match you with the e-bike that fits your lifestyle, speed, and spirit.

Start the Quiz

Get £50 Off Your First Order

Join the BikTron newsletter and get £50 off your first order. Be the first to hear about new bikes, special offers and useful electric bike advice.

For new email subscribers only.

WhatsApp