Name: KOOLUX KL6S Folding Electric Bike
Brand: Koolux
SKU: 5139
Price: 839 GBP
Availability: InStock

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KOOLUX KL6S Folding Electric Bike

KOOLUX KL6S Folding Electric Bike

Shop the KOOLUX KL6S folding electric bike for city commuting and mixed terrain rides, with fat tyres, 7-speed gearing and a long-range battery.

£839.00

£1,049.00Save £210.00

3 payments of £279.67 at 0% interest with klarna

Delivered by Thursday if you order within 1 hrs 42 min

SPEED15.5 Mph
RANGE43 Miles
MOTOR250 W
BATTERY15.6 Ah

Road Legal

See full UK Road Legal.

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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

Description

Product Overview

The KOOLUX KL6S Folding Electric Bike is a practical 20-inch e-bike built for city commuting and mixed-terrain riding. Its folding design makes it easier to store, while the 20×4.0" fat tyres add stability and confidence on varied surfaces.

With a 250W brushless hub motor, 48V 15.6Ah battery, suspension fork and 7-speed gearing, it is designed for riders who want smooth assisted riding, everyday versatility and dependable control.

Key Features

Here are some of the standout features of the KOOLUX KL6S Folding Electric Bike:

250W brushless hub motor for smooth pedal assistance
48V 15.6Ah lithium-ion battery with a stated range of 70 km – 120 km
Folding aluminium alloy frame for easier storage and transport
20×4.0" fat tyres for stable handling across urban and uneven terrain
Shimano 7-speed gear system for flexible riding across different routes
Front and rear disc brakes for confident braking control
Shock absorbing fork for added comfort on rougher surfaces
Multifunctional LCD display and front light for clear ride information and visibility

What to Expect

The KL6S offers assisted riding up to 25 km/h (15 mph), with a practical balance of comfort, grip and control. It is well suited to daily commutes, leisure rides and routes that include uneven roads or light inclines.

What’s Included

Electric bike
Battery
Charger
User manual

Assembly & Setup

The bike is designed to be practical to set up for regular use. Once assembled and charged, the folding frame, LCD display and removable battery make day-to-day riding and charging straightforward.

Support After Purchase

After your purchase, you can expect a clear and practical ownership experience, with straightforward charging, folding storage and everyday usability built into the design.

Technical Specifications

Frame Material	Aluminum Alloy
Unfolded Size	1780mm × 790mm × 1118mm
Folded Size	960 × 470 × 890mm
Wheel Shape	Integrated Wheel
Wheel Size	20 inches
Packaging Size	1450mm × 280mm × 790mm
Gross/Net Weight	36 kg / 30.5 kg
Maximum Load	120 kg
Maximum Speed	25 km/h (15 mph)
Range	70 km – 120 km
Maximum Gradient	25°
Optimal Temperature	-10~45°C
Waterproof Rating	IP54
Battery Type	18650 Lithium-Ion Power Battery
Battery Capacity	15.6 Ah (748.8 Wh)
Battery Nominal Voltage	48V
Motor Nominal Power	0.25 kW
Motor Mode	Assistance Mode
Motor Type	20-inch Integrated Brushless Hub Motor
Motor No-Load Speed	400±10 rpm
Charger Output	54.6V 3.0A
Charger Input	100-240V 50/60Hz 3.0A
Under-voltage Protection	40.5V
Overcurrent Protection	21A±1A
Charging Time	7-8 hours
Display	Multifunctional LCD Display
Front Light	Yes
Braking Method	Front Disc Brake + Rear Disc Brake
Air Tires	20*4.0 AV valve
Front Fork	Shock Absorbing Fork
Gear Shifter	7-Speed Gear

UK Road Use & Legal Information

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.

Returns & Delivery

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)

"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)

"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)

"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)

"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."

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