The KOOLUX BK6S 4.0 750W High‑End Version Folding E‑Bike blends powerful performance, practical design and everyday comfort into a single folding electric bike. Powered by a 750W motor with peak acceleration, a removable long‑range battery, 20″ × 4.0″ fat tyres and a lightweight foldable frame, this e‑bike is built for urban commuting, recreational riding and mixed‑terrain use.
Whether you need a reliable commuter e‑bike, a foldable travel partner or a comfortable weekend ride, the BK6S High‑End Version delivers strong performance with practicality and style.
Battery Type | Lithium lon Power Battery |
Battery capacity | 48V 13Ah |
Charging time | 6.5-7 hours |
Brake system | Front & Rear Disc Brake |
Climbing | 25° |
Tire | 20 Inch Tire |
Waterproof | IP54 |
Max load | 120KG (264LBS) |
N.W/G.W | 34.2/43kg |
Package size | 93*55*76CM |
Unfloding size | 182*60*110CM |
Why Choose the KOOLUX BK6S 4.0 750W High‑End E‑Bike?
The KOOLUX BK6S High‑End Version is ideal for riders who want powerful acceleration for hills and city riding, a foldable e‑bike that’s easy to transport and store, comfortable tyres for mixed roads and light trails, and long‑distance battery performance for daily use. With a balanced design that emphasises ease of use and utility, it suits commuters, leisure riders and anyone who needs a strong all‑purpose e‑bike.
750W Motor for Strong Everyday Performance
The BK6S features a 750W brushless rear hub motor designed to provide fast starts, confident acceleration and greater hill‑climbing support than standard commuter e‑bikes. This motor helps riders with reduced pedal effort, better mid‑ride bursts, comfortable cruising and stronger incline support.
Long‑Range Removable Battery
This high‑end version includes a removable lithium‑ion battery that offers strong range for city commutes and longer rides. The actual assisted range will vary based on rider weight, speed, terrain and assist level. The battery system is designed for straightforward charging and everyday convenience.
Foldable Frame for Easy Storage
The folding aluminium frame makes the BK6S easy to keep at home or in the office, load into cars or vans, store in limited spaces, and take on trips or public transport. Folding e‑bikes are ideal for riders with storage constraints or those who combine e‑biking with other transport.
20″ × 4.0″ Fat Tyres for Stability & Comfort
Wide 4.0‑inch tyres provide improved traction, stability and comfort across different surfaces. They’re especially useful for city roads, parks and paths, light gravel rides and everyday mixed terrain. The tyres help provide balanced handling and increased confidence on varied routes.
Responsive Brakes for Confident Stopping
The bike features front and rear disc brakes designed to provide strong and reliable stopping performance, essential for city riding and mixed terrain.
Shimano Gears for Smooth Shifting
Equipped with a Shimano geared transmission system, the BK6S allows riders to adjust pedalling effort for hill climbs, faster cruising, comfortable rides and route variation.
Comfort‑Focused Riding Design
The KOOLUX BK6S High‑End Version is designed with rider comfort in mind — from its ergonomic saddle to its easy‑to‑adjust handlebar and foldable structure. This makes daily rides easier and more enjoyable.
Who Is the KOOLUX BK6S Best For?
Urban commuters will appreciate the foldable frame and comfortable ride. Weekend riders can enjoy casual adventures, and travel riders benefit from easy storage and transport. The balanced design suits both beginner and experienced riders.
Where Can You Ride the KOOLUX BK6S?
City streets, cycle paths, park trails and everyday routes. Always follow UK electric bike regulations and local riding rules.
Maintenance Tips
Keep tyres inflated to recommended pressure, clean the chain and drivetrain regularly, check brakes frequently, charge the battery correctly, and store the bike in a dry place. Regular maintenance helps sustain performance and longevity.
Frequently Asked Questions
What motor power does the KOOLUX BK6S have?
The BK6S High‑End Version is equipped with a 750W nominal motor.
Is the battery removable?
Yes — the battery is removable for easy charging.
Can the BK6S handle hills?
Yes — the 750W motor helps with inclines, though performance varies with load and slope.
Is the bike foldable?
Yes — the aluminium folding frame makes storage and transport easier.
What tyres does it use?
20″ × 4.0″ wide tyres for stable ride and improved grip.
Does the bike have gears?
Yes — Shimano geared system for flexible riding.
Is this e‑bike suitable for beginners?
Yes — it’s balanced for new riders and experienced users alike.
What is the maximum rider weight?
Approximately 120–150 kg depending on configuration.
How long does the battery take to charge?
Approximately 8–10 hours depending on charger and battery level.
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