Koolux X1 - 250W - Folding E-Bike | Sähköpyörätehdas

When the Koolux X1 city e-bike arrived in Kruunuvuorenranta – the electric revolution in urban life

<span data-mce-type="bookmark" style="display: inline-block; width: 0px; overflow: hidden; line-height: 0;" class="mce_SELRES_start"></span>The bike in the video is a Koolux X1, but under a different brand name. The bike has the same specifications as the Koolux X1

The Koolux factory made the move. They sent the new Koolux X1 city e-bike directly to the joint test ride site for e-bike manufacturers in Kruunuvuorenranta, Helsinki. The test team’s task was simple: to see what this folding e-bike could do and whether it could truly revolutionize urban mobility. The answer came quickly. The first test ride. The first uphill climb. The first realization: “I want one of those.”

The Koolux X1 city e-bike is no compromise. It’s lightweight, fast, foldable, and just the right size. It’s not just a bike—it’s a solution. One that will make you leave your bus pass at home and put a smile on your face when you’re going uphill.

🏙️ The king of city streets—and, surprisingly, on light trails as well

In city riding, the 16″×2.5″ tires handle cobblestones, curbs, and street ramps with ease. The bike’s agility is unmatched, and the mechanical disc brakes bring it to a smooth and safe stop.
On uphill sections, the 250-watt motor and 36-volt battery work together like an electric duo. The test team climbed the steep hills of Kruunuvuori as if they were downhill slopes.
On light terrain, the Koolux X1 city e-bike was a pleasant surprise. It’s not a mountain bike, but it rode smoothly and steadily on gravel and park trails.
On long trips, the PAS assist provided a range of up to 60 km—city limits are not restrictions, but rather a starting point.

🔧 Technical Specifications for the Koolux X1 City E-Bike

• 250 W brushless rear motor, top speed 25 km/h (unlimited up to 32 km/h)
• 36 V 6.0 Ah lithium battery, charging time 4–5 hours
• 16″×2.5″ tires, optimized for urban riding
• Shimano 7-speed drivetrain
• Front and rear mechanical disc brakes
• Front suspension and shock-absorbing frame
• LCD display, LED headlight and taillight, buzzer
• Foldable aluminum frame, bike weight only 17.4 kg
• Maximum load 120 kg
• Dimensions when folded: 790 × 440 × 660 mm
• Range: approx. 25 km on electric power, 25–60 km in PAS mode
• IPX4 protection against light rain
• Maximum recommended climbing angle: approx. 25°

💥 Why choose the Koolux X1 city e-bike?

The Koolux X1 city e-bike combines all the essentials: light weight, electric power, practicality, and a stylish design.
It goes everywhere with you: to work, on the train, to the warehouse, in the elevator—anywhere.
With electric assist, you won't break a sweat—not even on the steepest uphill climb.
It's the perfect solution for commuting by bike, running errands, and casual cruising around town.
When you ride the Koolux X1 city e-bike, you don't just experience movement. You experience freedom.

We also want to share useful information about the world of e-bikes. If you’d like to learn more about e-bikes, their benefits, and how they can be used, I recommend checking out the following resources:

Network of Cycling Communities– Up-to-date information on cycling in Finland.
Traffic Safety– Tips for Safe Electric Biking.
Fillari Magazine– Articles and reviews on cycling and e-bikes.
Motiva– Information on sustainable transportation solutions.

I hope you find some useful information in these links!

Best regards,
The SähköpyöräTehdas Team

• 250 W brushless rear motor, top speed 25 km/h (unlimited up to 32 km/h)
• 36 V 6.0 Ah lithium battery, charging time 4–5 hours
• 16"×2.5" tires, optimized for urban riding
• Shimano 7-speed drivetrain
• Front and rear mechanical disc brakes
• Front suspension and shock-absorbing frame
• LCD display, LED headlight and taillight, buzzer
• Foldable aluminum frame, bike weight only 17.4 kg
• Maximum load 120 kg
• Dimensions when folded: 790 × 440 × 660 mm
• Range: approx. 25 km on electric power, 25–60 km in PAS mode
• IPX4 protection against light rain
• Maximum recommended climbing angle: approx. 25°

First, select a color: Gray

Electric Bike Factory Warranty – We're Here to Support You

All electric bicycles come with a manufacturer's warranty that covers the most important parts as follows:

Frame: 10-year warranty against manufacturing defects.
Electric motor and its components: 2 years.
Battery: 2 years.
Other electrical components: 2 years.

The expert staff at Sähköpyörätehdas will support you throughout the entire warranty process, so you
don't have to worry. We'll handle everything for you directly with the manufacturer.

How we handle warranty issues on your behalf:

1. If a problem arises – Contact us at
If your electric bike develops a fault, contact Sähköpyörätehdas customer service immediately. You can
contact us by email, phone, or by filling out the warranty form on our website.
We ask that you describe the problem in detail and send any photos or
videos of the issue, along with your purchase information. This will allow us to assess the problem as quickly as possible.

2. Problem Assessment and Inspection
When you contact us, our expert will assess the situation and determine whether the problem is covered by the warranty
. If necessary, we’ll direct you to the nearest service center or arrange for your bike to be picked up
for a more detailed assessment. We’ll take care of everything for you—all you need to do is report
the problem and send your bike in for inspection.

3. Warranty Processing – We’ll handle communication with the manufacturer
Once we’ve confirmed that the defect is covered by the warranty, the Sähköpyörätehdas staff will handle
all communication with the manufacturer on your behalf. This includes submitting the necessary documents and information
as well as ordering any replacement parts. A warranty repair may involve replacing a part,
repairing the bike, or even delivering a new bike if the defect cannot be repaired.

4. Fast and Efficient Service
We ensure that the problem is fixed as quickly and professionally as possible. We’ll handle
all service-related arrangements for you, so you don’t have to worry about the details.
We’ll keep you updated throughout the process and notify you as soon as the service or repair is complete.

5. After a warranty repair – We’ll arrange for the return at
Once the problem has been fixed or the defective part has been replaced, we’ll notify you and arrange for the return or pickup of your bike at
We’ll make sure everything is in order before we return the bike to you at
.

6. Costs Covered by the Warranty
If the defect is covered by the warranty, repairs, part replacements, and return shipping are completely free of charge for you.
If the defect is not covered by the warranty, we will offer you a paid repair service and provide
a cost estimate before starting the work.

Sähköpyörätehdas Supporting You Every Step of the Way

We are committed to ensuring that your electric bike works flawlessly throughout the warranty period.

We'll handle all warranty matters with the manufacturer on your behalf, so you can focus on carefree
driving.

Sähköpyörätehdas's customer service is always ready to help you—just contact us at
and we'll take care of everything for you.

Maintenance and Assembly of Electric Bikes at the Electric Bike Factory

You can have your electric bike serviced either at our store in Helsinki or at service centers located elsewhere in Finland. You can easily find your nearest service location [here].

Assembling an Electric Bike

When you buy an e-bike from us, you can rest assured that we’ve made everything as easy as possible for you. Our e-bikes come 90% pre-assembled, which means you don’t have to worry about complicated assembly steps. For the final assembly, you’ll receive all the necessary tools and clear, step-by-step instructions to ensure your e-bike is ready to ride in just about 30 minutes.

However, if you need help at any stage, we’re here to assist you. You can contact us at any time, and we offer free video guidance via WhatsApp to ensure the assembly goes smoothly. If you’d still rather not assemble the e-bike yourself, you can also bring it to our store, and we’ll assemble it for you—this service is also designed to keep the process easy and hassle-free.

First Aid

The first service should be performed after about one month of riding or when the e-bike has been ridden 100–300 kilometers. This initial service includes a thorough wash of the e-bike, a comprehensive inspection of the electrical components, adjustments to the brakes and gears, tightening of the spokes, lubrication of the chains, and a general condition check. This service ensures that your e-bike is in top condition and ready for safe riding.

Annual Maintenance

Annual maintenance includes even more comprehensive procedures: battery testing, drivetrain cleaning, tire inflation and replacement, chain lubrication, and inspections and updates of all electrical systems. We recommend annual maintenance regardless of how often you use your e-bike, to ensure it remains in top technical condition and safe to ride all year round.

Prices for Maintenance and Repair Services

We keep our maintenance costs competitive. The price for an initial service starts at 90 EUR, and a comprehensive annual service costs 149 EUR (including 25.5% VAT).

If you'd like us to assemble your electric bike for you, you can bring it to our store; the assembly service costs 69 EUR.

Service and Assembly Appointment

You can schedule a service appointment or a pickup by calling our store directly or visiting our website.

If you can't make it to our store in Helsinki, you can take advantage of our service network, which covers all of Finland. [Click here] to see all of our service locations and their contact information.