Will the folded Koolux BK10S fit in a car boot?

Its published folded dimensions are about 92 × 50 × 80 cm, which fits many larger boots once measured carefully. At roughly 27.7–29.3 kg it remains a heavy one-person lift, so protect the controls, use good lifting technique and avoid assuming a small hatchback opening will accept it.

How much maintenance do the Koolux BK10S fat tyres need?

The 20 × 4-inch tyres are pneumatic, so they need pressure checks and can puncture. Inspect the sidewalls and tread, remove embedded debris and avoid riding underinflated; broad tyres can hide pressure loss until handling and battery use worsen.

Should I choose the Koolux BK10S or the longer-range X7?

Choose the BK10S for its smaller 48V 13Ah battery, lower weight and folding format when storage matters. Choose the X7 for its much larger 48V 25Ah battery and hydraulic brakes when longer rides and stronger braking are worth the extra bulk; the current X7 specification is around 43 kg.

Koolux BK10S Fat Tyre Electric Bike 48V 13Ah Koolux

Bicicletta Elettrica Koolux Bk10S Con Pneumatici Grassi

Motor

250 W,500W

Battery

13AH

Speed

24 KM/H

Range

0 KM

€1.184,95 €842,95

Sold out

Klarna €280,98 ×3

Clearpay €210,74 ×4

PayPal €280,98 ×3

Finance

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

Shop Pay

From €70,25/mo 12 months at 0% interest Up to 24 months available

Varianti prodotto:

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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.

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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.

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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 Bicicletta Elettrica Koolux Bk10S Con Pneumatici Grassi 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 Bicicletta Elettrica Koolux Bk10S Con Pneumatici Grassi 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 Bicicletta Elettrica Koolux Bk10S Con Pneumatici Grassi? 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

Maximum Rider Weight: 120 kg

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

Riepilogo veloce
Il KOOLUX BK10S combina prestazioni di classe legale con portabilità. Con il suo motore da 250 W, batteria da 48 V, pneumatici larghi e telaio pieghevole, è l'ideale per gli spostamenti quotidiani e le avventure fuoristrada leggere.

Potenza e autonomia
Il motore da 250 W con una coppia di ~ 60 Nm offre solide salite in salita e un'accelerazione fluida. La batteria supporta fino a circa 90 km per carica in modalità assistita.

Comfort e sicurezza
Guida senza intoppi su pneumatici larghi e sospensioni anteriori. I freni a disco idraulici offrono una frenata affidabile, anche in condizioni di bagnato.

Funzionalità di progettazione intelligente
Si piega in modo compatto per riporlo o trasportarlo facilmente. Il display mostra la velocità, il livello della batteria e la modalità di assistenza. La batteria è facilmente rimovibile e bloccabile.

Costruito per l'uso quotidiano
Dotata di luci a LED anteriori/posteriori, parafanghi, cambio Shimano a 7 velocità e telaio stabile e leggero. Pronto per gli spostamenti quotidiani o le gite del fine settimana.

Specifications

Collection	Biciclette Elettriche Koolux
Brand	Koolux
Bike Type	Pneumatico grasso, Città e pendolari, Consegna e carico
Motor Power	250 W
Battery	13AH
Top Speed	15,5 miglia orarie
Acceleration Method	Regular Pedalling + Pedal Assist + Throttle Acceleration
Max Range	Oltre 35 miglia
Charging Time	7+ ore

Shock Absorbers	Fronte
Wheel Size	Pneumatico grasso da 20 pollici x 4,0
Brakes	Idraulico anteriore e posteriore
Gears	Cambio Shimano a 7 velocità
Bike Weight	27 kg
Max Climb	15 gradi
Max Rider Weight	120 kg
Dimensions
Built Dimensions	165 × 58 × 116 cm (L × W × H)
Box Dimensions	143 × 30 × 70 cm (L × W × H)

A man rides a white electric bike on a paved path through a park. Tall buildings are visible in the background. Text on the image highlights the bike’s adjustable speed settings up to 45 km/h and compliance with regulations.

Batteria al litio da 48 V 13 Ah: lunga autonomia e sicura

Questa batteria al litio ad alta capacità da 48 V 13 Ah offre un'impressionante autonomia di 35-90 km, offrendoti la libertà di guidare più lontano. Il vano batteria rimovibile include un blocco di sicurezza in modo da poterlo rimuovere per ricaricarlo senza preoccupazioni.

A graphic of an electric bike’s battery shows its internal cells glowing green. Text highlights features: 48V/13Ah capacity, 5–7h charging time, 25–35KM range per charge, and Li-ion battery with a “Smart Chip.”.

Batteria rimovibile da 48 V 12 Ah: ricarica rapida e capacità elevata

Con una batteria rimovibile da 48 V 12 Ah da 576 Wh, puoi goderti lunghi viaggi e una ricarica rapida. Il sistema di ricarica rapida da 4A si accende in poche ore e garantisce un'autonomia massima di circa 70 km.

Forcella ammortizzata ad alta pressione: guida fluida

Un ammortizzatore integrato in acciaio ad alta resistenza fornisce un'ammortizzazione e una lubrificazione eccellenti. La forcella ammortizzata ad alta pressione attenua dossi e buche, offrendoti maggiore controllo e comfort.