Meet the Koolux Brand
It all started with a vision: make electric bikes that are powerful enough for off-road thrill-seekers, efficient enough for daily commuters, and stylish enough to turn heads anywhere.
Koolux, available exclusively at TrailSurge UK, is fast becoming a household name in the e-bike scene. Unlike generic electric bikes that compromise quality for price, Koolux focuses on premium build quality, modern design, and solid tech under the hood — all while keeping pricing competitive.
Why Koolux Electric Bikes Are Gaining Traction in the UK
Let’s face it: the world is changing. Rising fuel prices, climate awareness, and traffic stress are pushing more people toward sustainable, two-wheeled solutions. But not all e-bikes are created equal.
Koolux hits the sweet spot between affordability and high performance — perfect for:
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🚲 Commuters who want to dodge traffic
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⛰️ Off-roaders who love exploring trails
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🏙️ Urban explorers looking for style + range
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🌍 Eco-conscious riders reducing their carbon footprint
The brand’s 500W motors, 48V battery systems, and fat tyre models give UK riders the versatility to take on anything from city streets to rough backroads — all while having a blast doing it.
How to Choose the Right Koolux E-Bike for You
Buying your first electric bike can feel overwhelming. But with Koolux, the choice becomes a lot clearer once you match a model to your lifestyle.
Here’s a quick decision guide:
| Lifestyle | Best Koolux Model | Why |
|---|---|---|
| City commuting | X2 or X3 | Lightweight, nimble, great range |
| Weekend explorer | X15 | Balanced mix of comfort and power |
| Off-road/trail rider | X7 | Fat tyres, long battery life, rugged |
| Student/daily short trips | X2 | Compact, affordable, efficient |
Need more details before you commit? Keep reading for in-depth breakdowns of each model 👇
Model Deep Dives: X2, X3, X7, X15
🚴♂️ Koolux X2 Electric Bike 500W 48V 15Ah
The X2 is the “daily driver” of the Koolux family — designed for urban dwellers, college students, and short-to-mid-range commuters.
🔧 Key Specs:
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500W rear hub motor
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48V 15Ah lithium battery
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Top speed: 25 mph (off-road)
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Range: 45–60 miles
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Disc brakes
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LED display
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Front suspension
🚲 Ideal For:
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Daily commuting to work or school
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Inner-city errands
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Riders who want something light but powerful
The X2’s compact frame makes it easier to store indoors or in small spaces, yet the motor is strong enough to zip you through traffic or up hills with zero struggle.
🧩 Koolux X3 Electric Bike 48V 15Ah
The X3 is your all-rounder — a step up in design and versatility. It’s got a bit more presence on the road, and is made for those who want a bit of style + stability.
🔧 Key Specs:
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500W motor
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48V 15Ah battery
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Mid-weight frame
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Front suspension
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Up to 60 miles per charge
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Integrated lights
🧍♂️ Who It's For:
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Medium-distance commuters
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Riders looking for a stylish yet capable ride
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Casual explorers and weekend cruisers
Think of the X3 as your Swiss Army knife of e-bikes — great for workdays and weekends alike.
🦾 Koolux X7 Fat Tyre Electric Bike 48V 25Ah
This is the monster truck of Koolux bikes. The X7 comes equipped with 4-inch fat tyres, a huge 25Ah battery, and a frame that looks and feels like it means business.
🔧 Key Specs:
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500W motor
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Massive 48V 25Ah battery
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Range: up to 80 miles
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4” fat tyres for all-terrain grip
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LCD display with smart functions
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Integrated front and rear lighting
🌲 Built For:
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Trail rides and countryside adventures
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Long-distance commutes
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Anyone who wants maximum stability and presence
Whether you’re riding on sand, snow, gravel, or pavement — the X7 handles it all like a champ. And that 25Ah battery? It’s a road tripper’s dream.
⚙️ Koolux X15 Electric Bike 500W 48V 15Ah
Last but definitely not least — the X15 offers sporty performance without going full fat-tyre. It’s sleek, responsive, and great for riders who want a little more punch.
🔧 Specs That Matter:
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500W motor
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48V 15Ah battery
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Speed: ~25mph (off-road)
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Range: 50 miles
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Sport-tuned frame
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Integrated lighting & suspension
💼 Best For:
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Sporty commuters
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First-time e-bike buyers
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Mid-distance urban & rural riders
The X15 hits a sweet spot between style, power, and practicality.
Battery, Motor, and Performance Tech Explained
Koolux keeps it simple but effective. All models come with a brushless 500W rear hub motor, and 48V lithium-ion batteries — some with premium Samsung cells.
🔋 Battery Insights:
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15Ah Batteries (X2, X3, X15): Good for ~45–60 miles
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25Ah Battery (X7): Up to 80 miles
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All batteries are removable, lockable, and chargeable indoors
⚡ Motor Breakdown:
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500W is the sweet spot for UK riders — enough torque to handle hills, wind, and cargo.
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Pedal assist + throttle = full control over how much work you do.
🧠 Smart Displays:
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Battery life
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Speedometer
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Distance travelled
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Assistance level
These displays are super intuitive — no fiddling with confusing menus.
Koolux vs Other Electric Bikes
Koolux punches above its weight in the UK e-bike scene. Let’s compare.
| Feature | Koolux X7 | Fiido M21 | RadRhino 6 Plus |
|---|---|---|---|
| Battery | 48V 25Ah | 48V 11.6Ah | 48V 14Ah |
| Range | 80 miles | 45 miles | 50 miles |
| Tyres | 4" fat tyres | 3" hybrid | 4" fat |
| Price | Competitive | Higher | Higher |
| UK Support | ✅ | ❌ | ✅ |
With Koolux, you’re getting more battery, better tyres, and solid UK support — without blowing your budget.
Koolux vs Traditional Transport
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🚗 Compared to cars: Save on fuel, insurance, and parking
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🚆 Compared to trains: No more delays or cancellations
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🚲 Compared to regular bikes: Ride farther, faster, and with less sweat
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🦶 Compared to walking: Uh… come on 😅
For city dwellers and countryside riders alike, Koolux is the smarter, greener, and more fun choice.
Charging, Care & Maintenance Tips
🔌 Charging:
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Charge indoors with the included charger
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Takes 5–7 hours for a full charge
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Avoid full discharges for battery longevity
🧽 Maintenance:
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Check tyre pressure weekly
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Clean frame with damp cloth — never power wash!
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Lubricate chain every 100 miles
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Store indoors during freezing temps
🔧 Support:
TrailSurge offers UK-based customer support, plus warranties on all Koolux bikes.
Accessories That Level Up Your Koolux Ride
Don’t forget to gear up! We recommend:
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✅ Helmet with integrated lights
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✅ Phone mount for navigation
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✅ Waterproof pannier bags for commutes
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✅ U-lock or folding lock
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✅ Portable air pump
TrailSurge carries accessories tailored for e-bike riders — just ask!
FAQs
❓ Is 500W legal in the UK?
Only 250W e-bikes are legal for road use without a license. 500W models like Koolux are for off-road/private land or require registration to be road-legal.
❓ Can I ride a Koolux in winter?
Yes — just keep the battery warm and avoid icy roads for safety.
❓ Can I upgrade the tyres or seat?
Absolutely. Many riders swap in gel seats or off-road tyres depending on their use.
❓ Are there payment plans?
TrailSurge offers finance options — check their product pages for Klarna or Clearpay.
❓ What's the warranty like?
Koolux bikes come with a 1-year manufacturer warranty, with support handled directly in the UK by TrailSurge.
Final Thoughts: Is Koolux Right for You?
If you want an electric bike that’s built for real life, with power you can feel and support you can trust — Koolux is a no-brainer.
✅ Real-world range
✅ Powerful motors
✅ Durable builds
✅ Killer pricing
✅ UK support
From the agile X2 to the all-terrain X7, Koolux makes it easy to ride further, faster, and with way more fun.
🚴♂️ Ready to Ride?
👉 Browse the full Koolux collection at TrailSurge
Each model comes with UK delivery, support, and the kind of performance that turns e-bike skeptics into full-time fans.
