KOOLUX X15 500W Electric Mountain Bike – a powerful electric mountain bike for the city, off-road, and long distances
The KOOLUX X15 electric mountain bike combines powerful performance, a large battery, and a modern fatbike-style riding experience into one versatile package. This e-bike is designed for riders who want more stability, a longer range, and reliable performance—whether in the city, on gravel roads, or on light off-road trails.
During a test ride by the Sähköpyörätehdas team, the KOOLUX X15 particularly impressed with its stability and powerful acceleration. The large 26×3.0” tires, combined with the powerful electric system, made for a very smooth ride that felt safe even on uneven surfaces.
⚡ 500W electric system – powerful and stable ride
The KOOLUX X15 electric bike offers powerful acceleration and smooth performance in all situations. The bike responds quickly to pedal assistance, making riding a pleasure whether you’re commuting to work or going on longer trips.
During the test drive, uphill climbs, gravel roads, and headwinds were handled with ease thanks to the large battery and powerful motor.
🔋 48V 15.6Ah lithium battery – long range of up to 120 km
The KOOLUX X15 is equipped with a large 48V 15.6Ah lithium-ion battery, which provides a range of up to 60–120 kilometers on a single charge.
This makes an electric bike the perfect choice:
🚴 For commuting
🌄 For long bike rides
🏕️ For leisure and outdoor activities
🌆 For everyday city riding
The battery charges in about 5–6 hours and provides reliable performance even on longer drives.
🛞 26×3.0” tires – stability on all surfaces
The KOOLUX X15 electric mountain bike’s large 26×3.0” tires provide an extremely stable and smooth ride.
They perform exceptionally well:
✔ In city driving
✔ On gravel roads
✔ On forest trails
✔ On cobblestones
✔ On wet surfaces
Wide tires improve traction and safety, especially in Finland's variable weather conditions.
🛠️ Aluminum frame – lightweight yet durable
The KOOLUX X15 electric bike is built around a durable yet lightweight aluminum frame, which makes it stable to ride yet agile to handle.
The removable logo also enables OEM and custom solutions for retailers and businesses.
⚙️ A modern display and a practical user experience
The clear LCD display makes it easy to monitor:
🔋 Battery charge
⚡ Speed
📍 Ride data
🚴 Assist level
Riding an electric bike is easy for both beginners and experienced electric bike riders.
🛑 Safety in all conditions
The KOOLUX X15 electric bike is equipped with front and rear disc brakes, which provide effective and safe stopping power even in the rain and on slippery surfaces.
The IP54 water resistance rating protects the electrical system from rain and splashes.
👤 Who is the KOOLUX X15 electric bike best suited for?
This electric mountain bike is perfect for:
🚴 For commuting
🌄 For touring and outdoor activities
🏙️ For city riding
🛣️ For gravel roads and light off-road riding
👨 For men and women
🔋 For riders who want a long range
✅ Why choose the KOOLUX X15 electric bike?
🔋 48V 15.6Ah high-capacity lithium battery
⚡ Powerful electrical system
🛞 26×3.0” wide tires
🛠️ Lightweight aluminum frame
🛑 Front and rear disc brakes
💧 IP54 water resistance
🚴 Stable and comfortable ride
🌄 Suitable for city and off-road use
💡 Modern unisex design
🔧 Technical Specifications
• 500W electric system
• 48V 15.6Ah lithium-ion battery
• Range of approximately 60–120 km
• Top speed 25 km/h
• 26×3.0” tires
• Front and rear disc brakes
• IP54 water resistance
• Aluminum frame
• Charging time approx. 5–6 hours
• Maximum load 120 kg
• Weight approx. 34 kg
• Package weight approx. 26.7 kg
• Dimensions when unfolded 183 × 63 × 107 cm
• Package size 148 × 25.5 × 75 cm
• Climbing ability up to 25°
• Removable logo
• Color: black
• Suitable for city riding, excursions, and light off-road riding
📏 Recommended driver height
• Minimum length: approximately 165 cm
• Maximum length: approximately 200 cm
With a 26-inch frame size and larger tires, the KOOLUX X15 e-bike is an especially good choice for taller riders as well.
See also
Women's Electric Bikes
Men's electric bikes
Electric mountain bikes
City e-bikes
Electric fat bikes
Commuter e-bikes
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






















Repayment period: 1–20 years, starting at about 9€/month
Interest rates are significantly lower than those at Klarna or Walley.
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