Product highlights
20*4.0 INCH
48V 65AH
200-220 KM
150 KG
Steel
Hydraulic
25 KM/H
250W
KOOLUX X8
Go farther with the KOOLUX X8, built with a dual-battery system for extended riding freedom and fewer interruptions along the way. Designed for longer journeys and everyday versatility, the X8 delivers dependable electric assistance, confident stability, and the endurance to keep you moving well beyond the ordinary.
Pairs well with
Product highlights
20*4.0 INCH
48V 65AH
200-220 KM
150 KG
Steel
Hydraulic
25 KM/H
250W
Ships within 1-2 business days.
2-Year Warranty
Complimentary shipping & returns
KOOLUX X8
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Find all the details about our delivery times, shipping options, and tracking updates. We aim to get your order to you quickly and safely.
For more, visit our Shipping Information page. -
Customer Support
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FAQ’s
Browse our most commonly asked questions about products, orders, shipping, and more. Fast answers, all in one place.
See the full list on our FAQ page. -
Contact Us
Have a question or need personal assistance? Reach out anytime — we’ll get back to you within 24 hours on weekdays.
Use our Contact page to get in touch.
Dual-battery power that keeps you riding longer.
Fat-tire traction that keeps every ride confident.
Hydraulic braking for smooth, confident control.
Full suspension for a smooth, comfortable ride.
Product Details
Tech Specs
Motor
250W brushless rear hub motor (EU compliant)
Battery
48V 15.6Ah lithium-ion battery (748.8Wh)
Charger
54.6V 2.0Ah output, with a charging time of 7–8 hours
Display
Multifunctional LCD screen showing speed, distance, battery level, and assist settings
Performance
Top Speed
25 km/h
Assisted speed limited to comply with EU EN 15194 regulations
Range
50–80 km
Actual range may vary with load, terrain, and riding mode
Pedal Assist Levels
0 to 3 levels
Level 1 offers 15 km/h, Level 2 up to 20 km/h, and Level 3 up to 25 km/h
Build & Comfort
Frame Material
Lightweight aluminum alloy
Front Fork
Shock-absorbing suspension fork for improved ride comfort
Tires
20×4.0 fat tires with puncture-resistant features
Drivetrain
Shimano 7-speed transmission for versatile riding
Utility & Accessories
Lighting & Signals
Integrated LED headlight and rear taillight,
Kickstand
Durable aluminum alloy kickstand
Additional Items Included
Charger, tool kit, pump, keys, manual, and a basic assembly guide
Weight
Maximum Load
150 kg (approx. 330 lbs)
Net Weight
Approximately 33.5 kg
Net weight includes the battery but excludes additional accessories
Package Weight
Approximately 41 kg
Tolerance ±3–5%
Chain Lock
Charger
Tool Kit
Example heading
Keys
Manual
FAQs
Please read our FAQs page to find out more.
What is the estimated delivery time for my order?
We typically process orders within 1–2 business days. Once shipped, delivery usually takes 3–7 business days, depending on your location. For more details, please visit our Shipping Policy page.
Do your bikes come with all necessary accessories?
Each bike typically includes the battery, charger, tool kit, keys, pump, lock and a manual.
Is assembly required when my bike is delivered?
They arrive about 90% pre-assembled. You’ll attach parts like the handlebar, front wheel, or pedals. A tool kit is included for convenience.
Are there any recommended maintenance tips for the e-bike?
We suggest checking tire pressure regularly, keeping the drivetrain clean and lubricated, and charging the battery indoors at room temperature for maximum longevity.
How does the bike’s design enhance both performance and comfort?
Our frames are engineered with shock-absorbing forks, ergonomic saddles, and balanced geometry - ensuring efficient power transfer and a smoother, more comfortable ride.