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KOOLUX BK6S 4.0 Foldable Electric Bike

KOOLUX BK6S 4.0 Foldable Electric Bike

5.0 1+ online reviews

Koolux

Regular price £699.00 GBP
Regular price Sale price £699.00 GBP
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Color: Black

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Unleash maximum range and all-terrain performance with the KOOLUX BK6S Pro Double Battery Folding E-Bike. Engineered for long-distance rides, this feature-packed electric bike combines dual 48 V batteries for up to 150 km of assisted travel, a powerful 250 W brushless motor, and 20×4" fat tires to conquer city streets, countryside trails, or sandy paths. Its foldable frame, hydraulic disc brakes, and advanced front suspension make it as practical as it is powerful. Fully UK road legal at 25 km/h in pedal-assist mode, the BK6S Pro offers pure electric flexibility off-road with throttle mode included. Ready for daily commutes or weekend escapes—this e-bike redefines freedom on two wheels.

🔋 Key Features

  • UK/EU Road-Legal E‑APC: 250 W motor, pedal-assist limited to 25 km/h, compliant with EAPC rules
  • Powerful and Smooth Performance: 250 W rear hub motor with ~60 Nm torque; ideal for hills and cruising
  • 48 V 15 Ah Removable Battery: Up to 95 km (59 miles) range; charges in ~5–6 h 
  • Ultra-Stable Fat Tires: 20″×4.0″ puncture-resistant tires for urban, gravel, snow, or beach terrain
  • Front Suspension Fork: Absorbs bumps for a smoother ride 
  • Mechanical Disc Brakes: Consistent all-weather stopping power
  • Shimano 7-Speed Gear System: Effortless shifting across varied terrain
  • Multifunction LCD Display: Shows speed, battery, distance, assist mode 
  • Foldable Steel Frame: Folds compactly to 96 × 38 × 75 cm for easy storage or transport
  • LED Lighting System: Front headlight (StVZO certified) and integrated rear light 
  • All Season Readiness: IP54 water resistance for light rain

Technical Specifications:

Feature Specification
Motor 250 W rear hub (~60 Nm torque)
Battery 48 V 15 Ah removable lithium-ion
Range 45–95 km (28–59 miles) per charge
Top Speed 25 km/h (15.5 mph) road-legal (up to 30 km/h unlocked) (wheeltrek.co.uk)
Charging Time 5–6 hours
Frame Foldable steel
Tires 20″ × 4.0″ puncture-resistant fat tires
Suspension Front fork
Gears Shimano 7-speed
Brakes Mechanical disc, front & rear
Display LCD multifunction
LED Lighting StVZO front + integrated rear
Weight 33.2 kg (73 lb) net
Load Capacity Up to 120 kg (264 lb)
Folding Size 96 × 38 × 75 cm
Waterproof IP54

Why Choose This E‑Bike?

🚴♂️ Why Choose the KOOLUX BK6S?

  • Versatile Terrain Ready – Fat tires + front suspension handle city roads, trails, beaches, and more.
  • Commute or Adventure – Foldable frame fits car boots, small flats, and storage-limited spaces.
  • Efficient and Reliable – 95 km range and Shimano gearing for long rides with peace of mind.
  • Safe After Dark – Certified lighting and responsive brakes enhance rider visibility and security.
  • Legal & Hassle-Free – Fully compliant with UK/EU regulations; ride publicly without licences, insurance, or tax

❓ FAQs

Q: Is this UK road-legal?
A: Yes. EAPC-compliant with 250 W motor and capped at 25 km/h in pedal-assist. Throttle-only mode is for private use.

Q: How far can I ride per charge?
A: Typically 45–95 km depending on conditions and rider behavior 

Q: Is the battery removable?
A: Yes, it’s easily removed for convenient charging.

Q: Does it include a throttle?
A: Yes—an electric throttle is included for full-electric riding.

Q: What comes in the box?
A: Bike, charger (UK plug), throttle, pump, lock, assembly tools, and secure keys 

Q: Suitable off-road?
A: Absolutely—fat tires, front suspension, and a sturdy frame make it trail-capable.

🚴♀️ Redefine Your Commute with the KOOLUX BK6 PRO

Say goodbye to crowded buses, traffic jams, and parking stress. The KOOLUX BK6 combines the power of an electric bike with the portability of a foldable frame. Whether you're headed to the office or chasing the sunset, this smart e-bike is built to elevate every ride.

ℹ️ UK Road-Legal Disclaimer

This e-bike is directly E‑APC compliant under UK Road Vehicle regulations. It uses pedal-assist only, limited to 250 W motor power and 25 km/h top speed. Use pure-electric or throttle mode only off-road or on private property. Use on public roads in these modes is your responsibility. Riders must be at least 14+, wear helmets, and follow Road Vehicles (Construction and Use) Regulations.

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Product Warranty

Have a question? Our team is ready so just reach out.

We’re here to help with all your questions big or small.

Check out some of our most common Q&As to get started.

What is your return policy?

Your satisfaction means everything to us. To request a return, simply email info@wheeltrek.co.uk within 14 days of receiving your order. Please ensure the item is unused, with tags attached and in its original packaging and return it within the 14-day window.

For full details,
visit: https://wheeltrek.co.uk/pages/return-and-refund-po….

Refunds can take between 5-10 days.

How quickly can I receive my order?

We aim to process and dispatch in-stock orders within 1–2 working days.

Delivery typically takes 3–5 working days. Orders over £500 get FREE UK
mainland delivery.

Timelines may vary by brand. Tracking is emailed within 24 hours of dispatch. We only ship to UK addresses.

Be sure to report any damage within 14 days to info@wheeltrek.co.uk

Are e-bikes legal in the UK and where are you allowed to ride them?

Yes, e-bikes that meet EAPC (Electrically Assisted Pedal Cycle) regulations
are legal and can be ridden without a licence, insurance or vehicle tax.

e-bikes can be used on public roads, cycle paths, and anywhere
regular bicycles are allowed
 but not on pavements.

Do I need a licence to ride an e-scooter?

Privately owned e-scooters are currently illegal on public roads but rental
e-scooters require at least a provisional driving licence.

Do you offer warranties and after sales support?

Yes absolutely! All our products come with a manufacturer’s warranty and our
customer service team is here to assist with any issues.

How long does it take to fully charge an e-bike battery and how far can you travel?

Charging times vary depending on the model and battery capacity but most e-bike batteries take between 3 to 6 hours to fully charge. On a full charge, you can typically expect a range of 30 to 100 miles depending on factors like terrain, rider weight and level of pedal assistance.

Lorna Waite

My e-bike has made my commute easier. It’s really cute and such a lovely design. I actually look forward to getting on it every day as it's so much fun.

Commute EX Ladies Electric Bike with 15-inch frame and Samsung battery

Simon Capewell

Buying this has been a game changer and is an absolute pleasure to ride. The service was top-notch too as the team were really friendly and professional. I can definitely recommend WheelTrek.