KOOLUX KL6S Folding Electric Bike

Unfold Your Adventure: A Deep Dive into the KOOLUX KL6S Folding Electric Bike

The KOOLUX KL6S Folding Electric Bike emerges as a compelling contender in the crowded e-bike market, skillfully blending robust performance with the crucial convenience of a foldable design. Engineered for versatility, this fat-tire electric bicycle is equally at home navigating urban commutes, tackling challenging off-road trails, or simply being packed away neatly in a car boot for weekend excursions. Its feature set, combining a powerful electrical system with quality mechanical components, positions the KL6S as a formidable all-rounder for riders seeking freedom and flexibility.

At the heart of the KL6S’s performance is its electrical powertrain. While the motor specification can vary based on regional regulations (some sources list it as 500W while others cite a road-legal 250W version), both configurations are designed to provide efficient and ample power. The 48V 15.6Ah (748.8Wh) removable Lithium-ion battery, utilizing high-quality 18650 cells, is the powerhouse of this bike. This substantial capacity translates into an impressive range of 70–120 km on a single charge, depending on factors like rider weight, terrain, and the level of pedal assistance used. This extended range significantly reduces "range anxiety" for longer commutes or exploratory rides. Charging the battery fully takes approximately 7–8 hours, making an overnight recharge a practical solution. The bike's standard speed is capped at 25 km/h, adhering to European road regulations, though some specifications suggest an unlocked speed of up to 38 km/h may be possible for off-road or private property use.

Beyond its electric muscle, the KL6S is built for durability and comfort across diverse landscapes. The frame is constructed from a lightweight yet high-strength Aluminum Alloy, which contributes to the bike's manageable net weight of 30.5 kg (Gross Weight: 36 kg), while still supporting a generous Load Capacity of 120 kg. The folding mechanism is a key feature, allowing the bike to collapse into a compact size of $96 \times 47 \times 89$ cm (folded size cited in search results, which is more relevant than the package size of $145 \times 28 \times 79$ cm), making it exceptionally easy to store in small apartments, caravans, or the trunk of a car.

The KL6S’s all-terrain capability is largely defined by its 20x4 inch Kenda Fat Tires. These wide, low-pressure tires provide superior traction, stability, and control, allowing the bike to comfortably handle everything from smooth pavement and gravel paths to sand and snow. Coupled with a responsive Front Fork Suspension system, the bike effectively absorbs shocks and bumps, enhancing rider comfort even on rougher trails. Safety and control are further prioritized with a high-performance Hydraulic Disc Brake System on both the front and rear wheels, offering reliable and powerful stopping ability in all weather conditions.

Riders benefit from a versatile mechanical setup featuring a Shimano 7-Speed Gearing system. This allows for smooth and precise gear changes, providing the rider with the flexibility to select the optimal gear for different inclines and terrains, even when riding without electrical assistance. The bike offers multiple riding modes, including pure electric (using a throttle, where permitted), pedal-assist, and classic pedal mode. An easy-to-read LCD Display keeps the rider informed of crucial metrics such as battery level, current speed, mileage, and assist level.

Completing the package are thoughtful design elements that enhance the riding experience. The bike features a Waterproof Level of IP54, indicating resistance to dust and splashing water, making it suitable for riding in various weather conditions. Its large unfolded size of $178 \times 79 \times 118$ cm suggests a comfortable and stable ride for a wide range of adult heights (recommended for users between 162 cm and 190 cm). The removable battery design adds a layer of convenience, allowing it to be charged off the bike.

Front Suspension for a Smoother Ride

The front fork suspension system absorbs shocks and vibrations, enhancing comfort and control whether you're commuting through city streets or exploring trails on your all-terrain Ebike.

Powerful Motor with Shimano 7-Speed Gearing

Equipped with a responsive motor and a Shimano 7-speed drivetrain, this folding electric bike adapts effortlessly to city traffic, uphill climbs, and rough paths—delivering a smooth, efficient ride every time.

High-Capacity Removable Battery

The KL6S features a 48V 15.6Ah lithium-ion battery discreetly integrated into the frame. Easily removable after folding, it allows for flexible and convenient charging—at home, at the office, or on the go.

Integrated Rear Safety Light

Ride with confidence even after dark thanks to the vivid red rear light. Frame-mounted for extra durability, it offers maximum visibility and safety during nighttime or low-light rides.

20x4.0 Inch Kenda Fat Tires

The KL6S is equipped with premium 20*4.0 inch Kenda fat tires—providing excellent grip, puncture resistance, and shock absorption across all surfaces, from pavement to gravel and sand.

StVZO-Certified Front Headlight

Navigate night rides with peace of mind. The bright, StVZO-certified front headlight ensures optimal road visibility, meeting European safety standards and elevating nighttime riding safety.

Rear Rack & Full Fenders for Practical Comfort

A robust rear rack and sleek backseat setup combine style with utility. With full fenders in place, the KL6S keeps you clean and dry—making it perfect for daily commutes and casual outings alike.

Specification