How fast can the Koolux X7 Electric Bike go?

Top speed depends on the model and setup. Real-world speed varies with rider weight, terrain, battery level and which speed/assist mode you’re using.

Is the Koolux X7 Electric Bike road legal in the UK?

Many e-bikes are supplied with a UK-compliant assist setting (25 km/h / 15.5 mph). If you use higher-speed or higher-power modes on public roads, it may be treated as a motor vehicle and need registration, tax and insurance. Always ride to the current rules.

Is the Koolux X7 Electric Bike easy to assemble?

The Koolux X7 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 Electric Bike water resistant?

The Koolux X7 Electric Bike 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.

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Brand:

Koolux X7 Electric Bike

Motor

250W

Battery

Speed

Range

£1,209.99 £799.99

In stock 11 sold this week

Klarna £266.66 ×3

Clearpay £200.00 ×4

PayPal £266.66 ×3

Finance

From —/mo 24, 36 or 48 months at 15.9% APR 6 or 12 months at 0% interest

Shop Pay

From £66.67/mo 12 months at 0% interest Up to 24 months available

Complete your ride Save 15%

Add recommended accessories before checkout.

Trespass© Crankster Cycle Helmet

£25.49 £29.99

Kryptonite U-Lock with 4 Foot Kryptoflex Cable Sold Secure Gold

£38.24 £44.99

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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

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.

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.

Best Price Guaranteed Found the same product for less?

Best Price Guaranteed

Seen the exact same product advertised for less? Send us the live offer before you order and we’ll check whether we can match it.

We consider genuine UK retailer offers for items that are in stock
The model, specification, colour, condition and delivery terms must be like-for-like
Marketplace or private sellers, used or clearance items, private codes, finance-only offers, bundle deals and obvious errors are excluded

Usually answered within 24 hours. Need a quicker answer? WhatsApp us or call 0800 099 6187.

Why Buy From TrailSurge? UK showroom, product support & aftercare

Buy your Koolux X7 Electric Bike with UK-based support

TrailSurge is a UK retailer with a showroom and workshop in Nuneaton. Our team can help before you order and continue supporting you after your Koolux X7 Electric Bike arrives.

UK-based customer support before and after your purchase
Showroom and workshop in Nuneaton
Help with product questions, setup, parts and aftercare
Tracked UK delivery with support if you need help with your order
Speak to a real member of our team before placing your order

Why buy through TrailSurge? For the best UK-based support and aftercare, we recommend buying through TrailSurge rather than ordering directly from overseas manufacturers or China-based sellers, where returns, warranty support and parts handling can be more difficult.

Need help with the Koolux X7 Electric Bike? Ask our team a question before ordering.

WhatsApp Us Call Us 0800 099 6187

TrailSurge Warranty+ BEST WARRANTY IN THE UK Stronger cover. UK support. Real help when you need it.

TrailSurge Warranty+

Extra protection, backed by our UK team

For the first 12 months, TrailSurge Warranty+ gives you direct UK support on eligible faults affecting the main factory-fitted components — with practical help to get you back up and running.

UK-based fault support
Major factory-fitted components covered
Repair, parts or another suitable solution where eligible

Typical component cover: Eligible faults affecting major factory-fitted components, including the frame and forks, motor and drive system, controller, battery and BMS, charger, wiring, display, gears, brakes, and factory-fitted sensors or controls.

Koolux manufacturer warranty

Warranty period: Please see the product description for the current manufacturer warranty term.
What’s covered: Manufacturing defects within the applicable warranty term.

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

Powerful 750W brushless rear motor for Confident Riding
The KOOLUX X7 features a high-efficiency 750W brushless rear motor, delivering smooth acceleration and reliable torque for hills, city riding, and mixed terrain.

Long-Range Lithium-ion battery for Everyday Adventures
Designed to go the distance, the battery system provides a real-world range of up to 80–120 km depending on riding mode, terrain, and rider weight.

Comfort-Focused Design for Stability and Control
Wide tyres and a well-balanced frame help absorb road vibrations and uneven surfaces, keeping rides comfortable and confidence-inspiring.

Smart Display and Assist System
Ride with full control using a clear digital display showing speed, battery level, and distance. Multiple pedal-assist levels help tailor power delivery to your riding style.

Road-Legal Configuration
Supplied in a 25 km/h (road legal setting) configuration for UK compliance. Always follow local e-bike regulations.