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Why Choose the Koolux BK5S?
✔ 5-Year Warranty – Enjoy worry-free rides with full support.
✔ Maintenance & Repair – We offer complete maintenance and repair services for your e-bike.
✔ Road Approved – Fully road legal and ready for everyday use.
✔ Durable & Reliable – Made of carbon structural steel for extra strength and long life.
✔ Compact & Foldable – Easy to store and carry, ideal for city use and commuting.
✔ Free Extras – Includes accessories for added convenience and safety.
Key Features
✔ Motor : 250W brushless motor with integrated wheel for efficient performance.
✔ Battery : 36V 10.4Ah lithium-ion battery for reliable power.
✔ Range : Up to 7 0 km , depending on driving style, speed and road conditions.
✔ Speed : Standard 25 km/h (EU regulation).
✔ Frame : Carbon structural steel for extra stability and durability.
✔ Wheels : 16-inch x 3.0 wide tires for excellent grip and riding comfort.
✔ Brakes : Front and rear disc brakes for maximum safety.
✔ Lighting : LED lighting for optimal visibility in the dark.
✔ Suspension : Shock absorbing system for a smooth driving experience.
✔ LCD display : Multi-function display with speed, battery status and riding modes.
Contents of the Box
✅ Bike – Koolux BK5S e-bike, ready to use.
✅ Charger – For fast and efficient charging.
✅ Toolkit – Includes maintenance tools.
✅ Lock – Extra protection against theft.
✅ Pump – For easy inflation of tires.
✅ Phone holder – For easy navigation.
✅ Alarm – Protection against theft.
✅ Tracker – GPS tracker for location security.
✅ Manual – Detailed user guide.
Specifications
Feature |
Details |
---|---|
Brand | Koolux |
Model | BK5S |
Engine | 250W brushless motor (Assist mode) |
Battery | 36V 10.4Ah lithium-ion |
Range | Up to 70 km (depending on conditions) |
Top speed | 25 km/h, adjustable up to 32 km/h |
Charging time | 5-6 hours |
Frame Material | Carbon structural steel |
Wheel size | 16-inch x 3.0 wide tires |
Suspension | Shock absorbing system |
Brake system | Disc brakes front and rear |
Maximum load | 120 kg |
Dimensions (expanded) | 1390 mm x 530 mm x 1040 mm |
Dimensions (folded) | 800 mm x 500 mm x 680 mm |
Packaging | 875 mm x 380 mm x 670 mm |
Gross/Net Weight | 29.4 kg / 23.8 kg |
Maximum Climbing Angle | 25° |
Water resistance | IP54 (resistant to light rain and dust) |
Important Information
✔ Legal speed : The top speed is limited to 25 km/h according to EU regulations, but can be increased to 32 km/h for private use.
✔ Maximum range : The range depends on driving style, weight, road conditions, temperature and tire pressure.
✔ Certification : This product complies with European regulations and is supplied as standard with a limited speed of 25 km/h.

Frequently Asked Questions
Find answers to frequently asked questions about our products and services here!
How long does delivery take?
We deliver most products within 1-3 business days . If a product is out of stock, delivery may take 3-5 business days because we ship from a different warehouse.
Need an urgent delivery? Contact us! Same-day or next-day delivery is sometimes possible.
Can I track my order?
Once your order has been shipped , you'll receive a track & trace code by email. This allows you to easily track the status and location of your package.
For some orders , our team will contact you personally to arrange a delivery date or time. Didn't receive an update? Please contact us! We're happy to help.
Do I have a warranty?
Yes, you have a 5-year warranty on all e-scooters and e-bikes . For other products, please see the specific warranty terms or contact us.
What to do in case of problems or damage?
Are you experiencing problems or damage ? Please contact us immediately by email, phone, or visit our store. Our team is happy to help you with repairs, replacements, or other solutions .
Can I pay upon receipt?
Yes, payment upon arrival is possible! You can choose cash or card . You can also easily select this option at checkout .
Can I pay in 3 months?
Yes, you can pay in installments through Klarna and Alma Pay! You can choose between a 30-day deferral or 3 monthly installments .
Can i cancel my order?
Yes, you can cancel your order free of charge , as long as it hasn't shipped yet. Please contact us as soon as possible to arrange the cancellation.
Has your order already shipped? Use our easy returns process to receive a full refund.