RFN Warrior SX-E400. Red and Blue Edition. Cool 18″ Electric Bike.
The RFN Warrior SX-E400 Kids Electric Dirt Bike.
Red and Blue Edition.
36V / 5.0Ah Battery with 250w motor with a 15.5mph top speed.
£499.00
FREE SHIPPING – Across Mainland UK – Within 2 to 5 days
5 in stock
250W
Motor Power
36V, 5.3Ah
Battery
16mph
Top Speed
10 miles
Max Range
RFN Warrior SX-E250 Performance
✅ Max Speed: 16 mph
✅ Motor Power: 250 w
✅ Max Mileage: 11 miles
Designed for young riders progressing beyond entry-level balance bikes, the RFN Warrior SX-E250 delivers responsive throttle control and stable off-road handling.
RFN Warrior SX-E250 Battery
✅ Capacity: 5.2 Ah
✅ Rated Voltage: 36 V
✅ Charging Time: 2.5 hrs
The RFN Warrior SX-E250 is equipped with a compact 36V lithium battery designed for younger riders and entry-level use. The 5.2ah capacity provides practical ride time for garden and track use.
RFN Warrior Set Up
✅ Front suspension: Spring suspension
✅ Rear suspension: Spring suspension
✅ Front brake: Disc brake
✅ Rear brake: Disc brake
✅ Suitable for off-road use on private land
The RFN Warrior SX-E250 features a simple and reliable spring suspension setup, designed to provide basic comfort and control for younger riders. Front and rear disc brakes offer consistent stopping power, while the lightweight design supports easy handling.
RFN Warrior Specification
✅ Frame: Lightweight steel frame
✅ Display: Power indicator
✅ Wheels: Off-road wheels (front and rear)
✅ Tyres: Off-road tread tyres
✅ Weight (incl. battery): 18kg
The RFN Warrior SX-E250 features a lightweight design at approximately 18 kg (bike only), powered by a 36 V 187 Wh (5.2 Ah) lithium battery, making it well suited to younger riders looking for an easy-to-control entry-level electric off-road bike.
Ride Position
✅ Max Load: 50 kg
✅ Age: 3–6 years
✅ Seat Height: 460 mm / 18 inches
The RFN Warrior SX-E250 is designed specifically for younger riders, with a low 460 mm seat height and a maximum rider weight of 50 kg. Its compact proportions support balance and confidence, making it suitable for children aged approximately 3 to 6 years.
WHY THIS BIKE
🔥 More exciting than a balance bike, with a real off-road look and feel
🔥 Adjustable speed modes to help parents control progression and safety
🔥 Great value compared to many electric balance bikes at a similar price
🔥 Builds confidence, balance and throttle control from an early age
RFN Warrior SX-E250 : Who It’s For
The RFN Warrior SX-E250 is designed for young riders who are ready to move beyond balance bikes and want something that feels more like a real off-road motorcycle, while still being manageable and controlled.
It is well suited to children aged approximately 3–6 years, particularly those who enjoy outdoor riding and are developing confidence, balance and throttle control.
With adjustable speed modes, parents can control progression as skills improve, making it a practical option for learning in garden tracks or on private land under supervision.
This model is ideal for families looking for a fun, entry-level electric dirt bike that offers better long-term value than many electric balance bikes, while providing a more exciting riding experience.
Free
Shipping
Delivery to mainland UK. England, Scotland & Wales
Free
Returns
14-Days free return for quality issue, no hidden fees
Quality Guarantee
1-Year limited warranty for frame, 6-month for battery
WHATS INCLUDED
🛡️ Free delivery across mainland UK
🛡️ 14 day return and 12m warranty
🛡️ Brand new and boxed SX-250
🛡️ Includes battery charger
🛡️ Instruction Manual & Toolkit
£499.00
5 in stock





Frequently Asked Questions
No. While the motor power is 250 W, this bike is designed for off-road and permitted public land use only. It is not legal for use on public roads. Always check local laws before riding.
Depending on local regulations, many places allow 250 W electric bikes on permitted public land off-road areas. Check your local rules and ride only where it’s allowed.
The SX-E250 is best suited to children aged approximately 3–6 years, depending on height and ability.
Yes. Adjustable speed modes allow parents to control how fast the bike can go while young riders are learning.
For many children, the SX-E250 offers:
A more realistic bike experience
Throttle control development
Adjustable speed limits
Better long-term value compared with many electric balance bikes
We recommend:
Helmet
Gloves
Long sleeves and trousers
Knee and elbow protection
Adult supervision at all times
This is a high-power electric bike designed for private land use unless registered for road use.
Always wear appropriate safety gear.