Product highlights
20*4.0 INCH
48V 15AH
45-50 KM
120 KG
Alloy
Hydraulic
25 KM/H
250W
KOOLUX X12 PRO
Elevate every ride with the KOOLUX X12 Pro, where bold design meets refined performance and advanced comfort. Upgraded with a four-link suspension system, it delivers enhanced stability and smoother control—turning every journey into a more composed, confident, and effortless experience.
- Color:
- Red
Pairs well with
Product highlights
20*4.0 INCH
48V 15AH
45-50 KM
120 KG
Alloy
Hydraulic
25 KM/H
250W
Ships within 1-2 business days.
2-Year Warranty
Complimentary shipping & returns
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.
Long-range battery for extended everyday rides.
Foldable frame for compact storage and transport.
Fat tires for stable all-terrain riding.
Hydraulic brakes for precise stopping control.
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 35.5 kg
Net weight includes the battery but excludes additional accessories
Package Weight
Approximately 42.6 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 ourShipping 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.