Does 'Mini' mean the Koolux X9 Mini is lightweight and easy to carry?

No. Mini refers to its shorter 16-inch-wheel footprint, not a lightweight build. The current manufacturer specification is about 34.7 kg, so it is best stored at ground level. Check the 135 × 63.5 × 106 cm dimensions if hallway, shed or vehicle space is tight.

Do the black, blue and pink Koolux X9 Mini versions have different specifications?

No. The listed Black, Blue and Pink choices are colour options for the same X9 Mini platform. Motor, battery, wheel size and core equipment do not change with the paint colour.

How do the Koolux X9 Mini's 16 × 4-inch fat tyres affect the ride?

Their width gives the compact bike a planted feel and adds cushioning over broken surfaces. Compared with narrow city tyres, they create more rolling resistance and heavier steering. Keep both tyres correctly inflated, because low pressure noticeably reduces range and can make handling vague.

Is the Koolux X9 Mini Electric Bike easy to assemble?

The Koolux X9 Mini Electric Bike 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 X9 Mini Electric Bike water resistant?

The Koolux X9 Mini Electric Bike 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 X9 Mini Electric Bike – alternate product view

Koolux X9 Mini Electric Bike

Motor

500W

Battery

Speed

32 KM/H

Range

60–80 KM

€641,95

Pre-order

Klarna €213,98 ×3

Clearpay €160,49 ×4

PayPal €213,98 ×3

—/mo 12 months 0% interest

Finance

Monthly finance Interest-bearing Rates & terms shown at checkout

Finance options and eligibility confirmed at checkout. Subject to approval.

Product variants:

Rated Excellent on Trustpilot

Pre-order Check delivery estimate

Ask our team for the latest delivery estimate.

Ask about delivery Call us

Click & Collect Choose your collection date

TrailSurge Nuneaton · Unit 62 Centenary Business Centre, Nuneaton, CV11 6RY Monday–Friday · 10am–4pm

Preferred collection date

Available from — · 7 working days ahead

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

Change of mind Within 14 days of delivery

Unused, unopened items Up to 30 days

Policy conditions and return costs may apply. Your statutory rights are unaffected.

Read returns policy

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 .

TrailSurge Warranty+

12 months

Cover for eligible manufacturing faults, with support from our UK team.

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.

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 warranty12 months against manufacturing defects.

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	Electric Bikes
Motor Power	500W
Top Speed	20 MPH
Max Range	37-50 Miles

Wheel Size	16*4.0 inch
Dimensions
Built Dimensions	135 × 63.5 × 106 cm (L × W × H)

Check your fit

Size & Rider Fit

Good to know Compact mini e-bike; published rider-height geometry is unavailable, so contact us for a fit check.

Koolux X9 Mini Electric Bike feature detail 2

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.

Frequently Asked Questions

Koolux X9 vs Similar Models

Compare products by price, range, speed, battery, motor, brakes and charging time.
Specs	Current productKoolux X9 View product	Hidoes B6 Mini View product
Price	€641,95 €931,95	€724,95 €966,95
Max range	37-50 Miles	31 Miles
Top speed	20 MPH	15.5 MPH
Battery	Not listed	48V 10.4AH
Motor	500W	250W
Tyre size	16*4.0 inch	20inch x 4.0 Fat Tyre
Brakes	Not listed	Dual Mechanical Disc Brakes
Charging time	Not listed	6+ Hours