KOOLUX BK6S 4.0 Folding Electric Bike 48V 13Ah 250W 20"x4.0" Fat Tyre Shimano 7-Speed

Enjoy powerful performance, long range, and all-terrain freedom with the KOOLUX BK6S 4.0 Folding Electric Bike. Designed for UK commuters and adventure riders, this fat tyre electric bike combines a UK legal 250W motor, 48V removable battery, and Shimano 7-speed gears to deliver a smooth and comfortable ride on city roads, trails, gravel, sand, and hills.

Whether you're commuting to work, exploring countryside routes, or looking for a compact ebike that fits easily in your car boot, the KOOLUX BK6S Folding E-Bike is the perfect choice.

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✅ Key Features

⚡ UK Legal 250W Brushless Motor (25km/h)

The 250W high-speed brushless motor provides strong acceleration and stable riding performance while remaining UK & EU road legal.

• Max Speed: 25 km/h (15.5 mph)
• Handles hills and slopes up to 25°
• Smooth, quiet and efficient motor output

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🔋 48V 13Ah Removable Battery – Long Range Riding

The KOOLUX BK6S features a powerful 48V 13Ah lithium battery (lockable and removable), making charging easy at home or work.

• Range: 45–90 km per charge
• Battery includes lock for added security
• Ideal for daily commuting and long rides

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🛞 20"x4.0" Fat Tyres – All Terrain Electric Bike

Equipped with 20 x 4.0 inch fat tyres, the BK6S offers excellent grip and stability on all surfaces.

Perfect for:

• City roads
• Gravel and trails
• Sand and beach paths
• Snow and wet conditions

A great option for anyone searching for a fat tyre electric bike for adults.

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🚲 Shimano 7-Speed Gear System

The reliable Shimano 7-speed transmission allows smooth shifting and better control, especially on hills and uneven terrain.

• Perfect for commuting and off-road riding
• Easy gear changes for any road condition

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🛑 Dual Disc Brakes – Strong Stopping Power

Front and rear disc brakes provide responsive braking performance for safer riding in all weather conditions.

• Better control in rain
• Reliable stopping power on downhill routes

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🛠 Front Suspension + Seat Shock Absorber

Ride comfortably even on rough terrain with:

• Aluminium suspension fork
• Seat shock absorber

This reduces bumps and vibrations, making it ideal for long-distance cycling.

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📟 LCD Display – Track Speed, Battery & Distance

The multi-function LCD display provides real-time riding data:

• Speed
• Battery level
• Mileage
• Riding mode

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🔄 Folding Frame – Easy Storage & Transport

The foldable aluminium alloy frame makes this electric bike ideal for:

• Car boot transport
• Campervan travel
• Small apartments
• Storage at work

Compact design, strong build, and convenient portability.

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💡 LED Front Light & Reflectors

Stay safe and visible with the integrated LED front light and reflectors, ideal for commuting and night rides.

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🚴 Riding Modes

Choose the ride style that suits your journey:

✅ Pedal Mode (normal bike riding)
✅ Pedal Assist Mode (PAS support)
✅ Throttle accessory included (if required)

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📦 Package Includes

✔ KOOLUX BK6S Folding Electric Bike x1
✔ 48V 13Ah Battery x1
✔ Battery Charger x1
✔ 16-in-1 Multi Tool x1
✔ User Manual & Quick Start Guide x1
✔ Bicycle Lock x1
✔ Bicycle Pump x1
✔ Throttle Accessory x1

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📌 Specifications

• Model: KOOLUX BK6S 4.0
• Motor: 250W Brushless Motor
• Battery: 48V 13Ah (720Wh) Removable Lithium
• Max Speed: 25 km/h (15.5 mph)
• Range: 45–90 km
• Charging Time: 6–7 hours
• Frame: Foldable Aluminium Alloy
• Gears: Shimano 7-Speed
• Brakes: Front & Rear Disc Brakes
• Wheel Size: 20” x 4.0” Fat Tyres
• Max Load: 120 kg (264.5 lbs)
• Unfolded Size: 1630 x 660 x 1110 mm
• Folded Size: 935 x 570 x 760 mm

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⭐ Why Choose the KOOLUX BK6S 4.0 Electric Bike?

If you're looking for a folding electric bike UK, fat tyre ebike, or a reliable commuter electric bicycle with long range and Shimano gears, the KOOLUX BK6S is the perfect choice.

✅ UK Road Legal 250W Motor
✅ 48V 13Ah Removable Battery
✅ Long Range Up to 90km
✅ Shimano 7-Speed Gears
✅ 20"x4.0" Fat Tyres for All Terrain
✅ Folding Frame for Easy Storage
✅ LCD Display + LED Light

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🚚 Perfect for Commuting, Fitness & Adventure

The KOOLUX BK6S Folding Electric Bike is ideal for daily commuting, weekend cycling, fitness riding, and off-road exploring. Ride further, ride safer, and enjoy total freedom.