- Home
- /
- Electric Mountain Bikes
- /
- Koolux R9X
Koolux R9X Electric Motocross for Kids
Safe, Fun, and Stylish Ride



SPEED16 Mph
RANGE9 Miles
MOTOR300 W
BATTERY4 Ah
WEIGHT41 Lbs

Introducing the Koolux R9X Electric Motocross, the perfect blend of safety, style, and performance for young riders. Designed specifically for children, this electric motocross bike offers a thrilling yet secure riding experience.

Powerful Performance
The Koolux R9X is equipped with a robust 300W motor, allowing young adventurers to explore with confidence. With a top speed of 25 km/h, this bike provides just the right amount of thrill for kids while ensuring safety is never compromised.
Long-lasting Battery
Featuring a high-quality 36V 4AH battery, the R9X offers a maximum range of 15 km, depending on road conditions and rider weight. This ensures that your child can enjoy extended rides without frequent recharges.

Safety First
Safety is a top priority with the Koolux R9X. It features a high-strength dual-damping design and reliable drum brakes to ensure a safe ride. Parents can have peace of mind knowing their children are riding a bike designed with their safety in mind.
Adjustable Speed Settings
The R9X offers three speed modes: 8 km/h, 12 km/h, and 25 km/h. This flexibility allows the bike to adapt to different riding conditions and skill levels, making it suitable for beginners and more experienced young riders alike.

Comfortable and Ergonomic Design
Designed with comfort in mind, the Koolux R9X features a high-density non-slip seat and 12-inch rubber wheels that provide excellent grip and wear resistance. This ensures a smooth and comfortable ride on various terrains, from urban roads to off-road trails.

Stylish and Colourful
The Koolux R9X is not just about performance; it also boasts a stylish design with vibrant colours that will appeal to young riders. Its off-road style and bright colours inspire a sense of adventure and exploration.

Order the Koolux R9X Electric Motocross today and give your child the gift of adventure and fun. With fast UK delivery, your young rider will be exploring in no time.
- Battery4 Ah
- Range9 Miles
- Motor Power300 W
- Speed16 Mph
- Tire Size12 In
- Weight41 Lbs
Yes. All electric bikes sold by Biktron are brand new, factory-sealed, and sourced directly from authorized manufacturers and official distributors.
You can select your bike based on riding style (city, mountain, cargo, folding), range, motor power, and terrain. If you’re unsure, our team can help you choose the best model for your needs.
Yes. Every e-bike battery is brand new and original from the manufacturer, with full safety certification and performance testing.
Yes. Each e-bike undergoes a quality control check before dispatch, including electronics, brakes, motor response, and battery performance.
Yes. All electric bikes purchased from Biktron include a manufacturer warranty. Warranty duration depends on the brand and model.
Standard delivery usually takes 2 to 7 business days within the UK. Delivery times may vary for remote areas.
We accept Stripe, PayPal, Apple Pay, Google Pay, and debit/credit cards. All payments are secured with SSL encryption.
Yes. You can return your bike within 14 days of delivery if it is unused, in original packaging, and in resalable condition.
Most electric bikes arrive 85–90% pre-assembled. Basic setup such as handlebars, pedals, and seat adjustment is usually required.
Currently, Biktron focuses on deliveries within the UK. International shipping may be added in the future.
Please note that the use of electric scooters and electric bikes in the UK is subject to specific regulations.
Electric Scooters:
Currently, privately owned electric scooters are not permitted on public roads, pavements, or cycle lanes. They are only legal on private land with the landowner’s permission.
Riders are advised to familiarize themselves with local laws and guidelines to avoid potential fines or penalties.
Electric Bikes (E-Bikes):
Electric bikes that meet UK government criteria (pedal-assisted, motor limited to 250W, and a maximum speed of 15.5 mph) are classified as Electrically Assisted Pedal Cycles (EAPCs). These can be used on public roads and cycle lanes without a license, tax, or insurance.
Riders must be at least 14 years old to legally ride an EAPC in the UK.
By purchasing and using these products, customers acknowledge their responsibility to comply with all applicable laws and regulations. Our company cannot be held liable for misuse or legal consequences resulting from non-compliance.
For more information, please refer to the UK Government’s official guidelines.
Related Models
Explore additional electric bikes from the same brand, offering similar quality, performance, and value to match your riding needs.
Gogobest GF600 Electric Mountain Bike
SPEED25 Mph
RANGE68 Miles
MOTOR1000 W
BATTERY13 Ah
Discover Your Match
Let’s Find Your Dream Electric Bike
Answer a few fun questions and we’ll match you with the e-bike that fits your lifestyle, speed, and spirit.
Start the Quiz












