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KOOLUX X11 | E-Bike | 250W | 25km/h | 48V 23.4Ah

Name: KOOLUX X11 | E-Bike | 250W | 25km/h | 48V 23.4Ah
Brand: eTrailz
Price: 899.99 GBP
Availability: InStock

£1,050.00 £899.99 Save £150.01

Motor

Standard

Extended Range

4 in stock

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1-Year Warranty

Pay in Instalments with Klarna

Free Shipping Across Great Britain

2-Year Frame Warranty

KOOLUX X11 - Dual-Battery Folding Fat-Tire E-Bike

Up to 150 km range • 48V (23.4Ah total) • Hydraulic discs • 20×4.0″ tires

Maximum Load
120 kg
Motor Power
250W continuous rated rear hub
Range
Up to 150 km
Waterproof
IP54 water resistance
Battery
Dual 48V 11.7Ah batteries (23.4Ah)

Free Shipping All Over Great Britain

Key Specifications

Model

X11

Battery Type

Lithium-ion

Battery Capacity

23.4Ah

Voltage

48V

Motor Rated Power250W continuous rated

Motor Type

Rear hub

Charging Time

~5–7 hours

Tyre Size

20×4.0″

Range

Up to 150 km

Top Speed

25 km/h

Maximum Load

~120–150 kg

Climbing Ability

20°

Waterproof Grade

IP54

Brakes

Hydraulic disc

Frame

Foldable

Display

LCD Display

Keep the 25 km/h limit on public roads.
Range varies with rider weight, terrain, temperature, tyre pressure, assist level and riding style.

Features And Details

Close-up of hydraulic disc brakes on KOOLUX X11

KOOLUX X11 drivetrain and rear hub motor

What's In The Package

Ebike x 1

Bicycle Pump x 1

Bicycle Lock x 1

Battery Charger x 1

Installation Tools x 1

Key x 2

Frequently Asked Questions

How far can I ride on a single charge?

In typical mixed riding, owners and retailers report 80–150 km per charge from the dual 48V 11.7Ah batteries (23.4Ah total). Expect the higher end with eco PAS on flatter routes and the lower end with heavy throttle, hills, or cold weather.

What’s the top speed, and is it road-legal in the UK/EU?

The X11 is commonly configured at 25 km/h to comply with EU/UK e-bike rules (EPAC). Some listings mention higher “ Check your local regulations before altering speed limits.

What motor and battery setup does it use?

A rear-hub 250W motor (~250W/250W) paired with two 48V 11.7Ah batteries (total 23.4Ah), giving strong range and balanced weight.

Does it have hydraulic brakes and fat tires?

Yes. Retailers list hydraulic disc brakes front and rear and 20×4.0″ Kenda fat tires for grip on mixed terrain.

Is it okay in rain?

Listings cite IP54 water resistance, fine for light rain and road spray. Avoid submersion and pressure-washing; dry and store indoors after wet rides.

How long does charging take?

Retailers indicate roughly 5–7 hours depending on charger amperage and depth of discharge.

Legal use notice: For UK public-road use, e-bikes must meet EAPC rules including a 250W continuous rated motor and assistance cut-off at 25 km/h (15.5 mph). Do not derestrict or use non-compliant modes on public roads. Available variants must be used according to local law.

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.