KOOLUX BK6S 4.0
KOOLUX BK6S 4.0
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 SpeedSome models come with a speed limit of 25 km/h. This speed limit can be easily removed by following the instructions in the video below.
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 Speed limiterSome models come with a speed limit of 25 km/h. This speed limit can be easily removed by following the instructions in the video below.
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 Remove speed limiterHere you will find an instructional video showing how to remove the 25 km/h speed limit and unlock the electric vehicle to its maximum speed.
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 Engine powerThe electrical voltage of the battery, where the left value represents the nominal value for normal operation and the right value indicates the maximum value.
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 TorqueMeasures the rotational force in Newton meters (Nm) applied by the engine to produce rotation. A higher value indicates greater power and efficiency in acceleration and performance.
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 ClimbHandles slopes and affects the effort when driving up or down.
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 SuspensionsMechanism that absorbs shocks for a smoother driving experience, can be located both front and rear.
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 SwitchesAllows customization of the resistance and speed of an electric bike; can vary in number for optimal performance in different terrains and conditions.
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 Driving ModeThe setting that controls its operation, where the user can choose between different speed levels for increased flexibility and customization while driving.
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 Electric ModeThis mode allows you to ride the e-bike without pedaling at all. Activate to control the vehicle's speed with just a throttle, offering a comfortable and effortless riding experience.
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| Battery | |
 RangeRange varies depending on road surface, user weight, wind, slope, driving mode and temperature
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 CapacityThe nominal electrical voltage of the battery, which indicates its optimal operating level for performance and
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 ChargeThe time it takes to charge the battery from empty to full capacity, which affects the user's wait time between uses
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 RemovableAbility to easily remove the battery for charging and convenience. Also eliminates the risk of theft of the entire vehicle when the battery is locked away separately
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 Dual charging socketsA feature that allows the use of two charging cables simultaneously, which shortens charging time and provides flexibility when using different charging stations
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| Wheel | |
 TiresAir-filled tires provide comfort and grip but can puncture. Solid tires are puncture-proof and durable. Honeycomb and semi-solid tires combine puncture-proofness with comfort and grip. Off-road tires are suitable for rough terrain but can affect speed
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 SizeSpecifies the physical dimensions of tires, which affect both speed and stability while driving, with common sizes such as 8.5 inches and 10 inches for different uses
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 Free from puncturesTires designed to resist punctures and eliminate the risk of sudden stops, increasing reliability and minimizing the need for repairs
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| Safety | |
 BrakesThe system used to control speed, which is crucial for safety and allows the user to regulate the speed
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 IP classA standardized code representing sealing against water and dust. A high IP rating indicates an increased level of protection against external influences, which is important for extending the life of the device and ensuring reliable performance
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 LampsBuilt-in lighting components that provide illumination for increased visibility and safety while driving, especially in low light conditions or night driving
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 Turn signalsIntegrated light signals that provide increased visibility and road safety by indicating direction during turns and increasing awareness among other road users
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 Electric hornA sound device that uses electrical current to produce an audible sound signal. The purpose of the horn is to increase safety and alertness for the driver in traffic
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 NFC lockA feature that enables wireless and secure communication through NFC, which is used to lock with a simple touch with a key card
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 KeyA key component used to activate or deactivate its ignition system or lock the battery, increasing security and preventing unauthorized use of the device
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| Size | |
 DimensionsSpecifies the physical dimensions, including length, width, and height, which are crucial for assessing size and suitability for the user, as well as for storage and transportation
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 WeightRepresents the total weight, which is important for manageability, portability, and user convenience during movement and storage
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 Maximum weightThe highest recommended load limit suggested by the manufacturer for safe and optimal use, which is important for performance and durability during use
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 Body lengthThe recommended body height helps you choose an electric bike that fits your height, providing optimal comfort and control when cycling
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| Comfort | |
 AppAn available software that is compatible with the e-scooter/e-bike and provides the user with additional features, such as navigation, speed control or battery monitoring via a smartphone application for an enhanced user experience
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 SaddleAn adjustable seating surface that offers personalized comfort and allows for customization for a comfortable driving experience
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 Adjustable handlebarA feature that allows the user to adjust the height of the handlebar to achieve a personalized and comfortable riding position
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 Cruise controlA built-in feature that allows the user to maintain a constant speed without continuously accelerating, which increases comfort and provides relaxed driving on longer distances
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 HookA device for securely attaching or hanging lighter objects, increasing its usefulness in transporting smaller luggage or accessories
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 USB socketThe ability to charge and connect external devices such as smartphones or tablets through USB ports
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 FoldableFoldable means that the electric vehicle can be folded, which makes it easier to transport, store or place in the car.
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| Document | |
 ManualInformation or materials provided to explain, describe, or support a product, process, or system. This may include user manuals, instruction manuals, technical specifications, and safety information.
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| Included in the package | |
 ArticlesSee what comes with your product here. The contents of the package are listed to ensure you know exactly what you are getting with your order.
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Product description
Product description
Discover the new KOOLUX BK6S 4.0 – The electric bike that takes you further, faster and more comfortably
Looking for an electric bike with power, range and features that really make a difference? Then the KOOLUX BK6S 4.0 is an obvious choice. This is a powerful upgrade from the previous model BK6S 3.0 – with an even stronger motor, improved battery capacity and a more robust chassis. Perfect for both everyday commuting and weekend adventures, whether you're driving in town or over tougher terrain.
Powerful engine for increased driving pleasure.
The new BK6S 4.0 is equipped with a nominal motor power of 500W, which is twice as much as the predecessor's 250W. This means that you accelerate faster and climb steep slopes more easily – it can handle a full 25° incline without any problems. For those who want an electric bike that feels strong and responsive in all situations, this is a huge boost.
Up to 90 km range with hybrid mode.
Thanks to the upgraded 48V and 13Ah battery, you get a range of up to 90 km depending on driving mode, road surface and weight. You can easily switch between three driving modes – pedal assist, hybrid and purely electric – using the included throttle. It gives you full control over both comfort and energy consumption during your travels.
Foldable design for easy storage.
KOOLUX BK6S 4.0 is designed to fit life in the city. With its foldable design, you can easily fold the electric bike and fit it in the car, on the train or in the hall. Despite its robust frame, the bike weighs only 33.2 kg, which makes it relatively light for its class and easy to handle.
Comfortable ride with damping and large tires.
The front shock absorber combined with the 20-inch pneumatic tires (4.0-inch wide) provides a smooth and stable ride, even on uneven surfaces. The wide tires also increase grip and safety when driving on gravel, rain-soaked bike paths or in low light.
Full control with disc brakes and LCD display.
Two powerful disc brakes – one at the front and one at the rear – give you quick and safe braking. The large LCD display shows speed, battery level, driving mode, and much more, so you always have an overview of your driving. The display also has error codes for quick troubleshooting if necessary.
Smart functions that make a difference.
Unlike the previous model, the BK6S 4.0 has built-in cruise control and an improved electric mode that you easily control via the handlebars. The handlebars are adjustable, and together with the included saddle, you can quickly find an optimal riding position. It is also equipped with an ignition key for added safety and has both front and rear lights.
Built to last and customized for you.
The bike has a high maximum weight of 120 kg and fits users between 160 and 180 cm. The frame is made of durable material, and with an IP54 rating, it can withstand light rain and dirt. It is also provided with CoC documents, which means that it meets European standards for electrical safety and traffic laws.
Perfect for commuting and leisure.
Regardless of whether you are commuting to work or planning a long trip in the countryside, the KOOLUX BK6S 4.0 delivers both power and comfort. With 7 gears, three driving modes and a strong torque of 60Nm, you get a flexible and fun driving experience every time you sit in the saddle.
A worthy upgrade from the BK6S 3.0.
Previous model BK6S 3.0 was already a favorite among our customers - but BK6S 4.0 takes everything a step further. The higher engine power, improved battery capacity, foldable design and improved electric mode make this an obvious choice for those who want more performance, more freedom and more cycling joy.
Summing up – that's why you should choose the KOOLUX BK6S 4.0.
With the KOOLUX BK6S 4.0, you get an electric bike that combines power, range and convenience in a stylish and smart design. The foldable design makes it easy to take anywhere, and with a strong battery and improved motor, you get more freedom in everyday life. Experience the difference - upgrade to KOOLUX BK6S 4.0 today.
Spare parts.
If you need spare parts that are not in our range, do not hesitate to contact us. We offer the possibility to special order the specific spare part you are looking for and give you a cost estimate. Our customer service is always ready to help you find the right solution for your needs and ensure that your product continues to function optimally. We strive to offer the best service for our customers and make sure you get the support you need.
Delivery
Delivery
Shipping terms
Free shipping: Applies to orders over 699 SEK throughout Sweden.
Shipping cost: For orders under 699 SEK, a shipping fee of 69 SEK will be added.
Delivery times
All products: Delivery time is 5–10 working days.
Special orders: For special orders placed via email, such as spare parts, a delivery time of up to 20 working days applies.
Post office box or home delivery
- For larger products such as electric scooters and electric bicycles we offer always home delivery directly to your door, completely free of charge.
- When delivering e-scooters or e-bikes to your home, it is the customer's responsibility to be available at the specified address during the delivery time. The shipping company will contact you in advance to schedule a time.
- If you instead wish to collect your package via an agent, you will need to contact the relevant shipping company to make this change.
- For deliveries via Postnord, if the consignment note does not fit in the mailbox, it will be placed at your door or in a bag outside your mailbox.
Guarantee
Guarantee
You have a full right of withdrawal for 14 days after you receive the goods. With us you also always have a 1-year warranty. Read more about our warranty policy.
Payment
Payment
Card payment
We offer card payment with Visa, Mastercard or American Express.
Sweden
With Svea you can choose an invoice and pay within 30 days, or pay in installments interest-free for up to 12 months. Flexible and secure.
Swish
Pay quickly and securely with Swish. Select Swish at checkout and approve the payment via your mobile with Mobile BankID.
Trustly
With Trustly you can pay directly from your bank account without a card or registration. Fast, easy and secure with BankID.
Apple Pay & Google Pay
It is also possible to pay with Apple Pay and Google Pay, which is fast and convenient.
PayPal
With PayPal, you can pay and transfer money without having to reveal your payment details and also flexibly choose how you want to pay.
Customer support
Customer support
We are happy to help you with any questions or concerns and we always respond within 24 hours. Contact us here.
Return
Return
You have a full right of withdrawal for 14 days after you receive the goods. Read more about how to proceed in our Returns & Refunds Policy.
Laws & regulations
Laws & regulations
Electric scooter
An electric scooter is considered a bicycle if it has a maximum speed of 20 km/h and a motor with a maximum of 250 W. However, it is important to note that the limit applies to the continuous (nominal) power – which means that the electric scooter may temporarily have a higher so-called peak power, for example up to 1000 W, as long as the nominal power does not exceed 250 W.
If the electric scooter exceeds 20 km/h in speed or has a motor with a nominal power of more than 250 W, other rules apply. The next classification is Moped class II and then Moped class IThere are technical requirements, such as braking systems, that must be met for an electric scooter to be classified as a moped.
Essentially, if it reaches up to 25 km/h it is considered Moped class II, while if the speed exceeds 40 km/h and the motor is stronger than 250 W, it is classified as Moped class I. For Moped class I, an AM driving license is required, the vehicle must be registered, and a helmet must be worn. Moped class II requires a driver's license and mandatory use of a helmet. If the electric scooter does not meet the requirements for a bicycle, Moped class I or II, it may not to be used on public roads.
Electric bike
For the requirements to apply to an electric bicycle, the motor must be limited to 250 W nominal (continuous) power and only assist pedaling up to 25 km/hThis means that the engine can temporarily deliver a higher so-called peak power, for example up to 1000 W, as long as the nominal power does not exceed 250 W. The electric bike must also be pedaled for the motor to work – it must not be able to drive on its own without the user's pedaling power.
Deviation from these requirements results in the vehicle being classified as moped, which entails other technical requirements, registration requirements, driving license and insurance.
We strongly recommend the use of a helmet, especially if the driver is under 15 years old, although it is not mandatory.
Read our blog posts for more information about the rules that apply to electric scooters and electric bicycles.
