What maintenance do the Koolux X3 hydraulic brakes need?

Check pad thickness, rotor condition and lever feel rather than adjusting a brake cable. A spongy lever, fluid leak, rubbing rotor or reduced braking needs attention; periodic bleeding requires the correct mineral oil or fluid specified for the fitted brake system, so use a technician if you are unsure.

Does the Koolux X3 fold or store like a compact e-bike?

No. It is a full-size bike approximately 185 cm long and 28.6 kg, without a central folding frame. Plan normal bicycle storage and measure narrow doors, lifts or wall racks before ordering.

What normally comes in the box with the Koolux X3?

The current manufacturer package list includes the bike, charger, throttle accessory, pump, lock, two keys and installation tools. Final assembly and safety checks are still required: align and secure the handlebars, fit any boxed components, set tyre pressures and verify gears and both brakes before the first ride.

Is the Koolux X3 Elektrofahrrad 48V 15ah easy to assemble?

The Koolux X3 Elektrofahrrad 48V 15ah 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 X3 Elektrofahrrad 48V 15ah water resistant?

The Koolux X3 Elektrofahrrad 48V 15ah 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.

Koolux X3 Elektrofahrrad 48V 15ah

Motor

500W

Battery

48V 15AH

Speed

25 KM/H

Range

69 KM

€1.421,95 €1.008,95

Sold out

Klarna €336,32 ×3

Clearpay €252,24 ×4

PayPal €336,32 ×3

Finance

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

Shop Pay

From €84,08/mo 12 months at 0% interest Up to 24 months available

Produktvarianten:

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Out of stock

This item is currently unavailable
Contact us for the latest restock estimate
We can recommend a suitable in-stock alternative

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 X3 Elektrofahrrad 48V 15ah 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 X3 Elektrofahrrad 48V 15ah 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 X3 Elektrofahrrad 48V 15ah? Ask our team a question before ordering.

WhatsApp Us Call Us 0800 099 6187

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 .

Check your fit

Size & Rider Fit

Seat Height: 72 cm
Maximum Rider Weight: 150KG

Trail Surge Warranty Plus FULL OFFICIAL WARRANTY INCLUDED UK-based support alongside the manufacturer warranty TRAILSURGE COVER 12 months

TWO LAYERS OF PROTECTION

More confidence after you buy

TrailSurge Warranty+ gives you a direct UK warranty alongside the product’s manufacturer warranty.

01 TRAILSURGE WARRANTY +

12 months of TrailSurge support

UK-based fault support
Battery, motor and frame fully covered.
Repair, parts or another suitable solution where eligible

02 Koolux WARRANTY

Manufacturer warranty period 12 months against manufacturing defects.

Manufacturer cover

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

Typical component protection Eligible faults affecting the frame and forks, motor and drive system, controller, battery and BMS, charger, wiring, display, gears, brakes and factory-fitted controls.

Description

Das Herzstück des KOOLUX X3 ist ein leistungsstarker 250W bürstenloser Nabenmotor mit einer beeindruckenden Spitzenleistung von 500W, der für eine sanfte Beschleunigung und souveräne Leistung sorgt. Im eingeschränkten Modus erfüllt das X3 die britischen E-Bike-Vorschriften mit Geschwindigkeiten von bis zu 15,5 mph, während der freigeschaltete Modus sein volles Potenzial entfesselt - mit Geschwindigkeiten von bis zu 28 mph für den privaten Landgebrauch.

Der integrierte und dennoch herausnehmbare 48V 15Ah Lithium-Ionen-Akku sorgt für lang anhaltende Energie und bequemes Aufladen, so dass auch längere Fahrten mühelos möglich sind.

Die Fahrqualität wird durch eine gefederte Vorderradgabel, 26" x 1,95" Kenda-Reifen für hervorragende Traktion und doppelte hydraulische Scheibenbremsen, die unter allen Bedingungen zuverlässig bremsen, verbessert. Die integrierte LED-Beleuchtung vorne und hinten sorgt für eine hervorragende Sichtbarkeit, so dass Sie bei Fahrten am frühen Morgen und am Abend sicher unterwegs sind.

Sie können zwischen 3 Fahrmodi wählen: Tretunterstützungsmodus, rein elektrischer Modus (wenn Sie den als Zubehör erhältlichen Gasgriff verwenden) und klassischer Pedalmodus. Im normalen Pedalmodus erleben Sie eine einzigartige Beschleunigung mit der 7-Gang-Shimano-Schaltung und der mechanischen Schaltung. Im Mopedmodus und im reinen Elektromodus können Sie ein unerwartet schnelles Fahrerlebnis genießen.

Das E-Bike stellt eine nahtlose Verschmelzung von innovativem Design und umweltfreundlicher Funktionalität dar, ideal für Stadtpendler und Abenteuersuchende gleichermaßen. Dieses mit Präzision konstruierte E-Bike bietet eine schlanke und moderne Ästhetik in Kombination mit robusten Leistungsmerkmalen.

Specifications

Collection	Koolux Elektrofahrräder
Brand	Koolux
Bike Type	City & Commuter
Motor Power	500W
Battery	48V 15AH
Top Speed	15.5 MPH
Acceleration Method	Regular Pedalling + Pedal Assist + Throttle Acceleration
Max Range	43 Miles
Charging Time	7+ Hours

Shock Absorbers	Front
Wheel Size	26inch
Brakes	Dual Mechanical Disc Brakes
Gears	7 Speed Shimano Gears
Max Climb	15 degrees
Max Rider Weight	150KG
Dimensions
Built Dimensions	185 × 60 × 118 cm (L × W × H)
Box Dimensions	145 × 28 × 80 cm (L × W × H)