Is the Koolux X7 Fat Tyre Electric Bike easy to assemble?

The Koolux X7 Fat Tyre Electric Bike arrives mostly assembled. Final setup normally includes aligning and securing the handlebars, fitting the pedals and completing essential safety checks. Allow approximately 20–30 minutes, or select our professional assembly and PDI service.

Is the Koolux X7 water resistant?

The Koolux X7 is not fully waterproof. Avoid prolonged exposure to heavy rain, and never submerge or pressure wash the bike or its electrical components. After riding in wet conditions, wipe the bike dry and store it in a dry, sheltered location.

Is the Koolux X7 Fat Tyre Electric Bike road legal?

No — this model is designed for off-road/private land use. It isn’t intended for public roads, cycle lanes, or pavements. Use on private land with the landowner’s permission.

Brand:

Koolux X7 Fat Tyre Electric Bike

Motor

750W

Battery

36V 12.5AH

Speed

15.5 MPH

Range

54 MILES

£1,299.00 £849.99

In stock 11 sold this week

Klarna £283.33 ×3

Clearpay £212.50 ×4

PayPal £283.33 ×3

Options shown at checkout. 18+ only. Subject to status & approval. T&Cs apply.

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Add recommended accessories before checkout.

Trespass© Crankster Cycle Helmet

£25.49 £29.99

Six Peaks™ Strong Cycling D-Lock

£18.69 £21.99

Bike Assembly & 36 Point PDI Check

5-7 Working Days Delivery Optional

£99.99 £129.00

Free Premium Delivery

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Delivery options

Choose your delivery option at checkout. Availability may vary by product, stock location and postcode.

Standard Home Delivery 3–5 working days

Our standard tracked home delivery service for most UK mainland orders.

Next Day Delivery Selected items

Available at checkout on selected in-stock items only. If Next Day Delivery is available for your order, it will appear before payment.

Trusted delivery partners

Tracking details are sent once your order has been dispatched
Some large, heavy or specialist items may arrive with a dedicated courier
Remote areas, Highlands, islands and non-mainland postcodes may require extra time or a delivery surcharge

Returns

30-day returns on unused items
Used items cannot be returned for change of mind

Click & Collect Collection from our Nuneaton workshop

Collect from our Nuneaton workshop

Collection is available by appointment from our Nuneaton workshop. The preparation time depends on where the product is currently stored. Contact us before ordering for the latest availability, or place your order and we will confirm when it is ready to collect.

Already at our Nuneaton workshop Usually 1–2 days

Collection is usually available within 1–2 days and may be possible the same day. We will contact you to arrange a suitable collection time once the order is prepared.

Transfer required to Nuneaton Usually 5–7 working days

Products stored at another warehouse normally require 5–7 working days to reach our workshop. We will confirm as soon as the item is ready and arrange your collection appointment.

Select Pickup in store at checkout
Collection is by appointment only and we will confirm the available day and time
Please do not travel until you have received confirmation that your order is ready
For larger products, check the boxed dimensions before travelling to make sure the item will fit safely in your vehicle

Price Promise Found the same product for less?

Our Price Promise

Found the same product for less? Send us the live offer before ordering.

We price match genuine UK retailer offers before you order
The model, specification, colour, condition, stock status and delivery terms must match
Marketplace sellers, used products, finance-only pricing, private codes, clearance offers and obvious pricing errors may be excluded

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3 monthly payments of £0.00

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4 interest free payments of £0.00

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Klarna.

Pay in 3 with Klarna

3 monthly payments of £0.00

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Payment Options at Checkout

From 3 to 12 months, product dependent

Options shown at checkout.

Pay monthly and split payment options are shown at checkout. Availability depends on order value, product, eligibility, provider checks and provider terms.

TrailSurge Warranty+ Market Leading Warranty Protection · 12-month UK support + official manufacturer warranty

TrailSurge Warranty+ — our UK cover 12 months of UK support

Fault assessment, repair coordination and help sourcing available parts.

Covered: Eligible sudden faults affecting the motor system, battery and BMS, charger, wiring, display, and factory-fitted sensors or controls.

Koolux manufacturer warranty Official brand warranty

Warranty period

12 months against manufacturing defects.

What's covered

Confirmed production faults affecting the original frame and factory-installed electrical or mechanical components.

Road use notice: This bike is over 250W and is for private land/off-road use only. Need a UK road-compliant option? View road legal e-bikes .

Description

Quick Summary
The KOOLUX X7 is a robust folding e-bike built for serious riders. With a high-capacity 48 V 25 Ah battery, fat tyres, and hydraulic brakes, it offers long-distance, terrain-flexible riding with confidence and comfort.

Power & Range
Choose between a legal 250 W version or an unlocked 750 W version depending on your riding preference. The large battery provides long rides between charges.

Built for Any Terrain
Its 20″ fat tyres and front suspension deliver stability and comfort over rough surfaces, while hydraulic disc brakes offer dependable stopping power.

Smart & Practical Design
Easily fold and store the bike when not in use. The removable battery allows flexible charging locations, and the overall build supports up to 120 kg of rider weight.

Reliable Features
IP54-rated frame protects against splashes. The strong frame and hydraulic brakes add to the bike’s durability and safe, controlled riding experience.

Specifications

Collection	Electric Bikes
Brand	Koolux
Bike Type	Fat Tyre, Delivery & Cargo
Motor Power	750W
Battery	36V 12.5AH
Top Speed	15.5 MPH
Acceleration Method	Regular Pedalling + Pedal Assist + Throttle Acceleration
Max Range	54 Miles
Charging Time	7+ Hours

Shock Absorbers	Front
Wheel Size	20inch x 4.0 Fat Tyre
Brakes	Dual Mechanical Disc Brakes
Gears	7 Speed Shimano Gears
Bike Weight	27KG
Max Climb	15 degrees
Max Rider Weight	150KG
Dimensions
Built Dimensions	177 × 70 × 122 cm (L × W × H)
Box Dimensions	145 × 28 × 79 cm (L × W × H)