KOOLUX BK6S Pro Double Battery
Koolux
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Go further and ride with confidence with the KOOLUX BK6S Pro Double Battery E‑Bike. This premium folding e-bike delivers up to 150 km of range, thanks to its dual 48 V, 23.4 Ah battery system, matched with a silent but powerful 250 W (500 W peak) brushless motor. Equipped with 20″×4″ Kenda fat tires, hydraulic disc brakes, front suspension, and smart LED lighting, it's designed for urban commutes and off-road escapes. UK-road legal with pedal-assist up to 25 km/h, it’s the go-anywhere, do-anything e-bike.
🔧 Key Features
- Dual 48 V Battery System (13 Ah + 10.4 Ah) – Up to 150 km range per charge
- 250 W Brushless Motor (500 W Peak) – ~60 Nm torque, smooth acceleration on hills
- Fat-Tire Adventure – 20″×4.0″ Kenda tires for stability across sand, gravel, snow
- Hydraulic Disc Brakes – Reliable all-weather stopping power
- Front Suspension Fork – Smooth out rough terrain and enhance comfort
- Smart LCD Display – Real-time speed, battery, distance, assist mode features
- LED Front & Rear Lights – Built-in lighting ensures visibility and safety
- Foldable Frame – Compact and practical; ideal for storage or travel in vehicles
- Climbing Capacity – Handles inclines up to 25° with ease
- IP54 Weather Resistance – Protection against light rain and dust
📊 Technical Specifications
| Specification | Details |
|---|---|
| Motor | 250 W brushless (500 W peak) |
| Battery | 48 V dual (13 Ah + 10.4 Ah = 23.4 Ah) |
| Max Range | Up to 150 km (93 miles) |
| Max Speed | 15.5 km/h road-legal; 32 km/h (19.8m/h) unlocked |
| Charge Time | 5–7 hours |
| Frame / Fork | Folding steel frame, front suspension |
| Tires | 20″ × 4″ Kenda fat tires |
| Brakes | Front & rear hydraulic discs |
| Gears | Shimano 7-speed drivetrain |
| Load Capacity | 150 kg (330 lb) |
| Weight | ~38.6 kg net (45.6 kg gross) |
| Climbing Limit | Up to 25° incline |
| Waterproof Rating | IP54 |
🌟 Why Choose KOOLUX BK6S Pro Double Battery E‑Bike?
- Unrivalled Range – Dual battery system offers one of the longest rides in its class.
- Endurance & Power – Robust motor and torque keep you climbing tough inclines effortlessly.
- Adaptable & Durable – Fat tires and hydraulic brakes ensure safety and smoothness across terrain.
- Compact Portability – Foldable design fits into cars, storage spaces, and RVs.
- Ready for Night & Weather – Complete lighting and IP54 rating for all-season reliability.
- Future‑Proof & Approved – Compliant with UK EAPC standards for lawful street use.
❓ FAQs
Q: Is it legal to ride on UK roads?
A: Yes – it meets EAPC standards (250 W, pedal-assist capped at 25 km/h). Higher speeds are allowed only off-road or private property
Q: How far can I ride on one charge?
A: Riders can expect between 80–150 km depending on terrain, weight, and usage
Q: Can I charge batteries off-bike?
A: Yes – batteries are removable, making indoor or conventional charging convenient.
Q: Does it include a throttle?
A: Yes – throttle-equipped for pure electric mode, off-road or private use
Q: What about braking in rain?
A: Hydraulic disc brakes offer strong performance even in wet conditions.
⚠️ UK Road Legal Disclaimer
- Street Use (EAPC Compliant): Operates with pedal-assist, 250 W motor, max 25 km/h.
- Off-Road Use: Throttle and higher speeds may be used only on private or off-road locations.
- Rider Requirements: Must be 14 +, wear a helmet, and obey Road Vehicles (Construction and Use) regulations.
- Responsibility: It's the rider’s responsibility to ensure compliance; using throttle on public roads is not permitted.
Delivery & Shipping
At WheelTrek, we keep delivery simple and transparent. Please note we currently deliver within the UK only.
Delivery Costs
- FREE DELIVERY on all eBikes to UK Mainland addresses.
- For orders below £500, a £25 delivery charge applies.
Order Processing
- Once you place your order, it takes 1 to 2 working days to process and prepare for dispatch.
Delivery Times
- After dispatch, estimated delivery is 3-5 business days (Monday to Friday) under normal conditions.
- We will send you the courier name and a tracking number as soon as your order is dispatched, so you can follow your eBike's journey to your door.
Our Carriers
Your eBike is delivered by a trusted, fully tracked UK courier. The exact courier depends on the eBike you order. We will confirm which one is handling your delivery along with your tracking details.
Warranties & Returns
Shopping with us is simple and your rights are fully protected.
Changed your mind?
You have 14 days from delivery to cancel for any reason, then 14 days to send the item back. Return delivery is at your cost, and we refund you in full within 14 days of receiving the eBike back.
Faulty, damaged or not as described?
Contact us within 30 days with a photo and we will arrange free courier collection and a full refund, or a replacement if you prefer. After 30 days, you are still covered for a free repair or replacement.
Warranty
Every eBike comes with a full manufacturer's warranty. If anything goes wrong, one email to us and we handle the claim with the manufacturer for you.
How to start a return
Just email info@wheeltrek.co.uk before sending anything back and we will take care of the rest.
KOOLUX BK6S Pro Double Battery Review Summary
Why Our Customers Love It
Benefits Include
- Impressive battery range: The dual battery setup provides significantly more distance per charge than single-battery alternatives, reducing range anxiety for long trips.
- Strong motor performance: Reviewers appreciate the motor's ability to maintain speed on inclines and provide quick acceleration from a stop.
- Great value price: Many users feel that the features offered, especially the dual batteries, represent a significant bargain compared to more expensive brands.
- Comfortable ride quality: The combination of fat tires and a supportive seat ensures a smooth experience even on bumpy or uneven surfaces.
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Why Our Customers Choose Wheeltrek
FREE & FAST SHIPPING
FREE DELIVERY for all eBikes in UK mainland delivery, ensuring a smooth and easy shopping experience.
WARRANTY & RETURNS
All of our products come with a warranty and 14-day hassle-free returns giving you complete confidence. T&Cs apply.
BEST PRICE GUARANTEED
We’ll match any lower price you find to ensure you get the best deal every time. T&Cs apply.
FLEXIBLE FINANCE PLANS
Make your ride more affordable with PayPal, ClearPay, and Cycle to Work schemes to help spread the cost.
EXPERT SUPPORT
Our team helps you find the perfect ride and provides ongoing guidance long after your purchase.
TRUSTED PREMIUM BRANDS
We offer premium bikes from trusted brands carefully selected for quality and performance.
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.
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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.
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.
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