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KOOLUX BK6S 4.0 electric bike product image 1
KOOLUX BK6S 4.0 electric bike product image 2
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KOOLUX BK6S 4.0 electric bike product image 9
KOOLUX BK6S 4.0 electric bike product image 10
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KOOLUX BK6S 4.0 electric bike product image 12
KOOLUX BK6S 4.0 electric bike product image 13
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KOOLUX BK6S 4.0E-Bike · 250W · 25km/h · 48V 13Ah

5.0 · 28 store reviews
Sale price: £649.99 Regular price: £799.99 Save 19%
Color: Black

Sold out, check back soon

Questions before you buy? Ask an expert

KOOLUX BK6S 4.0

Specifications

1-Year Warranty
Pay in Instalments with Klarna
Free Shipping Across Great Britain
2-Year Frame Warranty

KOOLUX BK6S 4.0 | 250W | 48V 13Ah | 45-70km

250W Motor | 48V 13AH Battery | 25 km/h Speed | 45-70km Range

Maximum Load
120kg
Motor Power
250W
Range
45-70km
Waterproof
IP54
Battery
48V 13Ah
Free Shipping All Over Great Britain

Key Specifications

Model
KOOLUX BK6S 4.0 250W (EU) Electric Bike
Battery Type
Lithium battery
Battery Capacity
13Ah
Voltage
48V
Motor Rated Power
250W (250W)
Motor Type
Rear Hub Motor
Charging Time
6.5-7h
Tyre Size
20*4.00 inch
Range
45-90km
Top Speed
25 km/h
Maximum Load
120kg
Climbing Ability
25°
Waterproof Grade
IP54
Brakes
Mechanical Brakes
Frame
Aluminium alloy
Display
LCD multifunction display
Important notice: This e-bike is presented for UK road use at 250W and 25 km/h.
Range varies with rider weight, terrain, temperature, tyre pressure, assist level and riding style.

Features And Details

What's In The Package

Ebike x 1

Ebike x 1

Bicycle Pump x 1

Bicycle Pump x 1

Bicycle Lock x 1

Bicycle Lock x 1

Battery Charger x 1

Battery Charger x 1

Installation Tools x 1

Installation Tools x 1

Key x 2

Key x 2

Frequently Asked Questions

What is the motor power?

The motor has a rated power of 250W.

What is the maximum speed?

The bike is EU-compliant with a top speed of 25 km/h, but can be

What is the range?

The range is 45-70 km depending on riding conditions, rider weight, and assist level.

What are the battery specifications and charging time?

The lithium battery is 48V 13Ah and takes 6.5-7 hours to fully charge.

Is the bike waterproof?

Yes, it has an IP54 waterproof rating, suitable for splashes and light rain.

What is the maximum load capacity?

The maximum load is 120 kg. The bike also features 20x4.00 inch tyres and can climb gradients up to 25°.

What customers say about eTrailz

This ride doesn't have reviews yet, so here's what customers say about buying from us.

5.0
28 verified reviews
  • Thank you

    Thank you , i highly recommend buying a bike from early trailz. I bought a bike thinking it was for kids and I miss read the information. I realised a mother later after delivery and was worried I was going to be stuck with a bike to big for my daughter. I emailed e trailz and they have contacted me...

    Kelly Verified buyer
    KOOLUX X9 Mini Kids Fat Tyre E-Bike
  • i really like this bike

    i really like this bike. and the price was more than fair. not good at writing reviews and i dont often give feed back. thanks guys.

    Joshua Hart Verified buyer
    ENGWE E26
  • Good

    Good bike

    Anwang Lin Verified buyer
  • Good choice this electric bike

    Good choice this electric bike.Good value and high quality.

    Anwang Lin Verified buyer
  • ​I recently purchased the KOOLUX X11 folding fat-tire e-bike from e-trailz

    ​I recently purchased the KOOLUX X11 folding fat-tire e-bike from e-trailz, and I couldn't be happier with both the product and the service! ​The e-trailz Experience ​e-trailz's service was fantastic. The communication regarding my order was prompt and helpful, and the delivery was quick.

    Tanvi Panchotiya Verified buyer
  • ​I recently purchased the KOOLUX X11 folding fat-tire e-bike from e-trailz

    ​I recently purchased the KOOLUX X11 folding fat-tire e-bike from e-trailz, and I couldn't be happier with both the product and the service! ​ The e-trailz Experience ​ e-trailz's service was fantastic. The communication regarding my order was prompt and helpful, and the delivery was quick.

    Tanvi Panchotiya Verified buyer
    KOOLUX X11

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