Koolux X9 Mini Electric Bike
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Pre-order delivery Contact us for an estimated dispatch date
Estimated 3–7 working days. Your shipment will have tracking information where available.
All EU orders are dispatched through our European warehouse network, with taxes and standard delivery included in the displayed price.
View delivery information →Dispatch dates depend on incoming stock. Please contact us to confirm the current lead time.
Enquire about delivery →Contact our team to ask about availability or a suitable alternative.
Check availability →Delivery estimates are not guaranteed. Optional services, if available, are priced at checkout.
Returns & cancellations 14-day withdrawal rights · Return information
For most eligible online purchases, EU consumers have 14 days after delivery to notify us that they wish to withdraw, without giving a reason.
Return-shipping responsibilities, exceptions and any deductions permitted by law depend on the circumstances. Your statutory rights remain unaffected.
We may also offer an additional 30-day return option for eligible unused and unopened items, subject to our policy.
Read our returns policy →Warranty & customer support Order assistance and applicable legal guarantees
Our team can help with product questions, troubleshooting and eligible warranty or fault claims.
Qualifying EU consumer purchases are generally protected by a minimum two-year legal guarantee for goods that are faulty or not as described. Some countries provide longer protection. These rights are separate from any optional manufacturer or commercial warranty.
Please include your order number and a description of the issue when contacting us.
Contact customer support →No import fees or extra taxes All taxes and standard delivery included
All TrailSurge.eu orders are fulfilled through our European warehouse network. We take care of applicable taxes and any customs-related costs.
No import fees, customs invoices or extra VAT bills on delivery. Standard delivery is included in the displayed price.
No unexpected charges on arrival. Optional services, if selected, are clearly priced before you complete your purchase.
Questions about your order? →
Included with your purchase
TrailSurge Warranty+
12 monthsof cover
UK-based warranty and after-sales support
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
Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.
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.
View warranty details 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
Normal wear, accidental damage, misuse and unauthorised modifications are excluded. Eligibility and remedies are subject to the full warranty terms.
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
Powerful 500W brushless rear motor for Confident Riding
The KOOLUX X9 MINI features a high-efficiency 500W 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 60–80 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.
Specifications
| Collection | Bicicletas eléctricas |
|---|---|
| Motor Power | 500W |
| Top Speed | 20 MPH |
| Max Range | 37-50 Miles |
| Wheel Size | 16*4.0 inch |
Size & Rider Fit
Check rider measurements and sizing before you order.
More measurements & dimensions
- Deck size
- Not applicable — bicycle frame
- Built dimensions
- 135 × 63.5 × 106 cm (L × W × H)
Fit guidance: Compact mini e-bike; published rider-height geometry is unavailable, so contact us for a fit check.
Sizes are a guide. Rider proportions, footwear and setup can affect fit.
What’s Included in the Box?
1 x Koolux X9 Mini Electric Bike
1 x Charger
2 x Keys
1 x Tool Kit
1 x User Manual
Assembly Information
Assembly Video
Watch the assembly guide below before first setup.
