This is one combined summary, not the individual rating of any one platform.
Certified
Koolux X11 Duel Battery Electric Bike
Monthly financeRates at checkout
Payment options and eligibility are subject to approval and confirmed at checkout.
Finance calculatorSpread the cost your way
Explore estimated monthly repayments for this product. Choose the term that suits your budget.
Illustrative estimates based on the displayed product price and selected term, without deposit, delivery charges or other fees. Actual credit terms, fees, eligibility and repayments are set by the lender at checkout. Finance is subject to approval. Please check the lender's full terms before applying.
Trail Surge Ltd · Unit 62, Centenary Business Centre, Nuneaton, CV11 6RY
Beware of fake “official” websites
Shopping for a Koolux? Before you order, make sure you know who you’re buying from—and who will help after delivery. An unusually low price can be a warning sign: check what’s included and who provides support. Think of it like buying a vehicle—you’d want a trusted garage behind it.
Can you visit their showroom and speak to someone in person?
Who will help with servicing, repairs or a warranty enquiry?
Can you check who runs the website, their company details and customer reviews?
Visit our Nuneaton showroom and repair workshop and speak to our UK team. We’re here before and after your purchase, with servicing, repairs and 12-month warranty support for covered main components.
Visit us: Unit 62, Centenary Business Centre, Hammond Close, Attleborough Fields Industrial Estate, Nuneaton, Warwickshire, CV11 6RY.Showroom visits by appointment.
Trail Surge Ltd · Registered in England and Wales · Company No. 16935369 · VAT No. 521226239
Found it cheaper elsewhere?
Found the same product for less at a genuine UK-registered, VAT-registered retailer? Send us the listing and we'll check if we can match their price.
Send the competitor's product link before ordering. We'll check the exact model, stock, total delivered price, UK company registration and valid UK VAT registration. All matches are subject to verification.
TrailSurge is UK registered and VAT registered: Company No. 16935369 · VAT No. 521226239.
Rated Excellent on Trustpilot
Out of stock Enquire about availability
Click & Collect Choose your collection date
Select Pickup · TrailSurge Nuneaton at checkout. We'll confirm when your order is ready; dates are requested, not guaranteed.
Returns & Cancellations 14-day cancellation · 30-day unopened returns
Policy conditions and return costs may apply. Your statutory rights are unaffected.
Read returns policy
From our Nuneaton showroom
View This Bike Live
See this bike up close and ask our team questions before you buy.
Message us on WhatsApp to arrange a time.
TrailSurge Warranty+
1 yearin-house warranty
UK-based warranty and after-sales support
Key components + direct UK support
Manufacturer warranty included
What’s covered
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Here when you need us
Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.
Contact our UK team with your order number and a few photos.
View warranty detailsHide warranty details
Cover & exclusions
What’s covered
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Cover & exclusions
Commercial warranties generally exclude normal wear, accidental damage, misuse and unauthorised modifications. This does not affect your statutory rights.
Need to make a claim?
Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.
Koolux Manufacturer 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.
Separate manufacturer terms apply. Warranty periods are not added together.
See exactly what’s covered Hide warranty details
What’s covered
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Here when you need us
Fault assessment, warranty guidance and help arranging eligible repairs or replacement parts.
Contact our UK team with your order number and a few photos.
Cover & exclusions
What’s covered
Frame & forks · Motor & controller · Battery & charger · Factory-fitted electrics & mechanical parts
Cover & exclusions
Commercial warranties generally exclude normal wear, accidental damage, misuse and unauthorised modifications. This does not affect your statutory rights.
Need to make a claim?
Contact TrailSurge with your order number, a description of the fault and clear photos or a video. Our team will assess the issue and explain the next steps.
Koolux Manufacturer 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.
Separate manufacturer terms apply. Warranty periods are not added together.
Description
The KOOLUX X11 is a fat-tyre electric bike with dual-battery options, designed for riders who prefer a bold riding position and wider tyres. Its braking, display and battery features make it a versatile choice for recreational journeys.
- Dual battery system (13Ah + 10Ah) – up to 93 miles per charge
- 20” x 4” Kenda fat tyres for superior grip & control
- Front & rear hydraulic disc brakesfor maximum safety
- Top speed: 15.5mph (28mph unlocked for off-road use)
- Smart LCD display with real-time ride stats
- Fully foldable frame for easy storage & transport
This is a performance-focused electric bike for appropriate private-land riding. Beyond the headline motor output, the most useful things to consider are rider fit, how the bike handles on your intended terrain and how its braking and suspension equipment suits your experience.
Specifications
| Collection | Electric Bikes |
|---|---|
| Brand | Koolux |
| Motor Power | 750W |
| Battery | 48V 15AH |
| Top Speed | 15.5 MPH |
| Max Range | 53 Miles |
| Charging Time | 5+ Hours |
| Shock Absorbers | Back |
| Bike Weight | 27KG |
| Max Climb | 15 degrees |
Size & Rider Fit
Check rider measurements and sizing before you order.
More measurements & dimensions
- Deck size
- Not applicable — bicycle frame
- Built dimensions
- 176 × 70 × 120 cm (L × W × H)
- Box dimensions
- 155 × 35 × 85 cm (L × W × H)
Fit guidance: Folding 20 in fat-tyre frame. Published rider-fit geometry is limited, so contact us with your height and inside leg.
Sizes are a guide. Rider proportions, footwear and setup can affect fit.
What’s Included in the Box?
1 x Koolux X11 Duel Battery Electric Bike
1 x Charger
2 x Keys
1 x Tool Kit
1 x User Manual
Spare Parts for This Model
We stock a range of spare parts in the UK and can source additional components for this model. Contact our team to check prices, compatibility and availability.
