KOOLUX X8
£1,299.00
KOOLUX X8: Ultra Long Range Dual Battery Fat Tyre Electric Bike
The KOOLUX X8 is a high-performance fat tyre electric bike engineered for riders who demand exceptional range and power. Featuring an extraordinary dual battery system with a combined capacity of 48V 65Ah (35Ah + 30Ah), this e-bike delivers an outstanding range of up to 150 km on a single charge. Powered by a robust 250W motor and equipped with premium Kenda 20" x 4.0" fat tyres and hydraulic disc brakes, the X8 is built for extended adventures, challenging terrain, and riders who refuse to compromise on performance.
Key Features
- Exceptional Dual Battery System: The revolutionary dual battery configuration combines a 48V 35Ah battery with a 48V 30Ah battery for a total capacity of 65Ah. This extraordinary power reserve delivers an impressive range of 150 km, making the X8 ideal for ultra-long-distance journeys, multi-day adventures, and riders who need maximum autonomy without frequent recharging.
- Powerful 250W Motor: The high-performance 250W motor provides exceptional power and acceleration, easily conquering steep gradients up to 25 degrees. Fully UK road legal with a standard speed of 25 km/h, the motor can be unlocked for higher performance applications where permitted.
- Premium Kenda Fat Tyres: Professional 20" x 4.0" Kenda pneumatic tyres deliver outstanding grip, stability, and comfort across all terrains. The wide footprint and quality construction provide superior traction on roads, trails, sand, snow, and gravel whilst the reinforced design resists punctures and wear.
- Superior Hydraulic Disc Brakes: Front and rear hydraulic disc brakes provide powerful, progressive stopping power with exceptional modulation. This premium braking system ensures complete control and safety in all weather conditions and on challenging descents.
- All-Terrain Capability: Whether navigating urban streets, conquering mountain trails, exploring coastal paths, or tackling off-road adventures, the X8's combination of fat tyres, powerful motor, and dual battery system ensures you can ride further and explore more challenging terrain with confidence.
- IP54 Weather Protection: The comprehensive IP54 water and dust resistance rating protects vital components from the elements, allowing you to ride confidently in various weather conditions without worrying about damage to electronics or batteries.
- Robust Load Capacity: Supports a maximum load of 120 kg (264 lbs), making the X8 suitable for larger riders and capable of carrying additional gear, panniers, or equipment for extended adventures.
- Quick Charging: Despite the massive battery capacity, the dual battery system can be fully recharged in just 7-8 hours, ensuring your bike is ready for the next adventure with minimal downtime.
- Durable Construction: Built with quality materials and robust engineering, the X8 weighs 54 kg (net weight), reflecting its substantial build quality and premium components. The solid construction ensures long-lasting durability even under demanding use.
- Compact Storage: Despite its power and battery capacity, the X8 features practical dimensions. Unfolded size is 1750 x 690 x 1180 mm, whilst the efficient package design (1450 x 280 x 790 mm) facilitates transport and storage.
- Enhanced Visibility: Integrated lighting systems ensure you remain visible during early morning rides or evening commutes, providing safe illumination for extended journeys.
Perfect For
- Long-Distance Adventurers: The extraordinary 150 km range makes the X8 ideal for riders planning extended tours, multi-day adventures, or ultra-long-distance commutes without access to frequent charging facilities.
- Off-Road Explorers: Tackle challenging terrain with confidence. The 250W motor, fat Kenda tyres, and hydraulic brakes provide the capability to explore remote trails, mountain paths, and rugged landscapes.
- Delivery and Commercial Riders: Perfect for professional delivery riders, couriers, or commercial applications requiring extended range and reliability. The substantial battery capacity ensures full-day operation without recharging concerns.
- Commuters with Long Routes: Ideal for riders with lengthy commutes or those who prefer charging less frequently. The dual battery system provides multi-day autonomy for typical commuting distances.
- Adventure Tourists: Plan extended cycling tours with confidence. The X8's exceptional range allows you to explore remote areas and cover significant distances without range anxiety.
- Heavy-Duty Applications: The robust construction, high load capacity, and powerful motor make the X8 suitable for demanding applications requiring durability and performance.
Revolutionary Range Technology
The KOOLUX X8's dual battery system represents a breakthrough in electric bike range capability. By combining two high-capacity batteries totalling 65Ah, the X8 delivers unmatched autonomy in the electric bike market. This innovative configuration allows riders to venture further, explore more challenging routes, and enjoy multi-day adventures without the constraints of limited battery life.
Built for Performance, Engineered for Adventure
The KOOLUX X8 combines cutting-edge battery technology with premium components to create an electric bike that redefines long-range capability. Whether you're planning epic adventures, tackling demanding commercial applications, or simply refuse to be limited by battery constraints, the X8 delivers the power, range, and reliability you need. Experience true freedom with the KOOLUX X8 ultra long range dual battery electric bike.
At Evara E-Bikes UK, we focus on getting your new e-bike to you safely and as quickly as possible.
Order Processing
Once your order is successfully placed, our team prepares your items for dispatch. Most orders are processed and shipped within 1–3 working days, depending on stock availability.
UK Mainland Delivery
We offer reliable delivery across the UK Mainland. Orders shipped to eligible UK addresses are typically delivered within 2–5 working days after dispatch. You’ll receive confirmation emails at each key stage — order received, dispatched, and out for delivery — including tracking details so you can follow your delivery in real time.
Delivery Charges
Shipping costs are calculated at checkout based on your location and the type of product ordered. Larger items like e-bikes may have a different delivery rate to smaller accessories.
Signature Requirement
All deliveries must be signed for by an adult at the delivery address to ensure safe receipt of your e-bike.
Shipping Restrictions
Due to shipping regulations for high-powered batteries, some remote UK regions (e.g., certain Scottish Highlands, islands, and offshore locations) may incur additional delivery charges or have restricted service. If delivery to your address isn’t possible via our standard courier network, our support team will contact you.

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