Can the Koolux BK6S 4.0 battery be removed for indoor charging?

Yes. The lockable battery can be charged on the bike or removed and taken indoors. Support it securely as it slides out, use the supplied charger on a dry, stable surface and make sure it clicks and locks fully back into position before riding.

How does the Koolux BK6S 4.0 differ from the BK6S Pro?

The standard BK6S 4.0 uses one battery and is the simpler choice for typical rides. The BK6S Pro carries two batteries with 23.4Ah combined capacity, giving it a longer-distance focus but adding cost and weight.

Will the Koolux BK6S 4.0 fit a shorter or taller rider?

Published guidance places it around 165–195 cm, but height alone does not guarantee comfort. Its 20 × 4-inch tyres and folding frame still create a fairly tall, broad bike. Check that you can stand over the frame, reach both brake levers and achieve a safe knee bend at the lowest suitable saddle position.

Is the Rower elektryczny Koolux BK6S 4.0 easy to assemble?

The Rower elektryczny Koolux BK6S 4.0 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 Rower elektryczny Koolux BK6S 4.0 water resistant?

The Rower elektryczny Koolux BK6S 4.0 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 BK6S 4.0 Electric Bike 500W 48V 15Ah

Rower elektryczny Koolux BK6S 4.0

Motor

500 W

Battery

15AH

Speed

24 KM/H

Range

66 KM

€1.067,95 €784,95

Sold out

Klarna €261,65 ×3

Clearpay €196,24 ×4

PayPal €261,65 ×3

Pay monthlyFlexible finance

12 months • 0%

12 months —/month Interest-free

Longer terms 15.9% APR

2 years —/mo

3 years —/mo

4 years —/mo

Estimated payments • Subject to approval • T&Cs apply

Product variants:

Rated Excellent on Trustpilot

Trusted by TrailSurge customers

Home Delivery Tracked options shown at checkout

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 Rower elektryczny Koolux BK6S 4.0 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 Rower elektryczny Koolux BK6S 4.0 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 Rower elektryczny Koolux BK6S 4.0? 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 the main factory-fitted electrical and mechanical components, as appropriate to your product.

Koolux manufacturer 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

Szybkie podsumowanie
KOOLUX BK6S 4.0 łączy w sobie wytrzymałą przyczepność na grubych oponach z mocnym silnikiem o mocy 500 W i akumulatorem 48 V 15 Ah o dużej pojemności. Zaprojektowany zarówno na ulice miejskie, jak i na ścieżki terenowe, zapewnia stabilne prowadzenie i niezawodne działanie.

Płynne dostarczanie mocy
Silnik w piaście o mocy 500 W zapewnia czułe przyspieszenie i płynne wspomaganie pedałowania na siedmiu poziomach, dzięki czemu możesz pokonywać wzniesienia i czołowy wiatr bez wysiłku. Przepustnica kciuka zapewnia natychmiastową moc, gdy potrzebujesz doładowania.

Komfort i kontrola
Szerokie opony 4,0″ i przednie zawieszenie amortyzują nierówności i utrzymują przyczepność na luźnych lub nierównych nawierzchniach. Podwójne mechaniczne hamulce tarczowe zapewniają stałą, kontrolowaną siłę hamowania w każdych warunkach pogodowych.

Inteligentny system baterii
Zamykany, wyjmowany akumulator 48 V 15 Ah zapewnia duży zasięg i wygodne ładowanie poza rowerem. Wbudowane obwody zabezpieczające chronią przed nadmiernym ładowaniem, nadmiernym rozładowaniem i przegrzaniem, zapewniając bezpieczne i niezawodne użytkowanie.

Technologia, której możesz zaufać
Wyraźny, podświetlany wyświetlacz LCD pozwala na szybki podgląd prędkości, poziomu naładowania akumulatora, przebytej odległości i trybu wspomagania. Proste elementy sterujące na kierownicy umożliwiają łatwe przełączanie poziomów wspomagania i monitorowanie danych jazdy.

Zbudowany do codziennego użytku
Dzięki wytrzymałej ramie, stabilności grubych opon i prostemu składanemu uchwytowi do montażu na bagażniku, BK6S 4.0 jest gotowy na codzienne dojazdy do pracy, weekendowe przygody i wszystko pomiędzy – gdziekolwiek zdecydujesz się jeździć.

Specifications

Collection	Rowery elektryczne Koolux
Brand	Koolux
Bike Type	Miasto i dojazd do pracy, Składane, Gruba opona
Motor Power	500 W
Battery	15AH
Top Speed	15,5 mil na godzinę
Max Range	41 Miles
Charging Time	Ponad 5 godzin

Shock Absorbers	Przód
Brakes	Hydrauliczny przód i tył
Bike Weight	27 KG
Max Climb	15 stopni
Max Rider Weight	150 KG
Dimensions
Built Dimensions	182 × 60 × 110 cm (L × W × H)
Box Dimensions	93 × 55 × 76 cm (L × W × H)