Looking for the most powerful kids electric dirt bike in the UK?
The RFN Warrior SX-E8 is a next-generation electric motocross machine built for young riders who are ready to go beyond entry-level.
With 11.8kW peak power, a 72V lithium battery, and speeds up to 52mph, this is not just an upgrade — it’s a full step into serious off-road performance. It is even IP-67 rated for all weather riding!
You get a 1 year warranty on all major bike components, supported by our fully-equipped national service centres. See full warranty details.
The RFN Rally Pro model is only to be used on private land with the owner's consent.
|
Top Speed |
Up to 52mph |
|
Max Range |
Up to 37 miles in eco |
|
Charge Time |
3 hours (0-100%) |
|
Weight |
61.2kg |
|
Max Load |
80kg |
|
Braking |
RFN 4 Piston Hydraulic Brakes - 203/190mm Disks |
|
Battery Capacity |
LG 21700 Li-ion 10C Battery 60v 55Ah (2100wh) |
|
Motor |
RFN Permanent Magnet Synchro |
|
Power |
Low Temp Mode - 3.6KW, Restricted Mode - 2.1KW, Eco Mode - 7.2KW, Sport Mode - 13.2Kw |
|
Torque |
Motor Torque 45Nm, Rear Wheel Torque 270Nm |
|
Transmission Drive |
Direct Drive Chain |
| Speed Settings |
Low Temp, Restricted, Eco, Sport |
| Frame Material |
Steel Frame - 6082 Aluminium Swing Arm |
|
Wheels |
Kenda Front 70/100-19 and Rear 90/100-16 |
|
Suspension |
Front: RFN USD Hydraulic 37mm / Stroke 240mm Rear: RFN Hydraulic Spring 280mm / Travel 200mm |
|
Ground Clearance |
290mm |
|
Wheelbase |
1145mm |
| Seat Height | 745mm |
|
Gear Ratio |
6 (9T/54T Sprocket) |
|
Speedometer |
LCD Digital Speedo |
Most kids electric bikes are built for casual riding.
The SX-E8 is built for:
✔ Up to 12.5kW peak power
✔ Up to 85km/h top speed
✔ Professional-grade suspension and brakes
✔ Designed for riders 140–160cm tall
This is not a toy — it’s a true youth motocross machine.
The SX-E8 delivers serious acceleration and torque, with up to 242Nm at the wheel
✔ Instant throttle response
✔ No clutch or gears required
✔ Smooth, controllable power delivery
The SX-E8 offers multiple ride modes for progression:
✔ Top speeds up to 85km/h (52mph)
✔ Adjustable power output for safety and growth
Perfect for helping young riders build confidence and progress faster.
Ride further with a high-capacity battery system designed for real off-road sessions.
✔ Up to 60km (37 miles) range
✔ Consistent power output
✔ High-efficiency energy use
One of the SX-E8’s biggest advantages.
✔ Tool-free battery removal
✔ Swap in under a minute
✔ Extend ride time instantly
Ideal for serious riders and race-style use.
Perfect for trail riding, practice sessions, and longer days outdoors.
The RFN Warrior SX-E8 is engineered for:
With a durable frame, aluminium components, and performance geometry, it handles jumps, bumps, and aggressive riding with ease.
This bike is ideal for:
✔ Riders aged 10–14 years
✔ Kids upgrading from SX-E5 or smaller bikes
✔ Riders moving from 50cc–65cc petrol bikes
✔ Young motocross enthusiasts
⚠️ Not recommended for complete beginners without prior experience.
More families are choosing electric — and for good reason.
✔ No fuel or oil
✔ Minimal maintenance
✔ Quiet operation
✔ Instant torque (easier to ride)
✔ Lower long-term costs
The SX-E8 reaches speeds of up to 52mph (85km/h), depending on rider weight, terrain, and power mode.
This flexibility makes it suitable for both progression and performance riding.
The SX-E8 is equipped with a high-capacity 72V 2100Wh lithium battery, designed for consistent power delivery and extended ride time.
Yes — the SX-E8 features a quick-release, swappable battery system, which is a major advantage over many competitors.
✔ Tool-free removal
✔ Swap in under a minute
✔ Ideal for longer riding sessions or race days
This makes it one of the most practical electric motocross bikes for serious use.
Charging time is typically 5 to 7 hours from empty to full.
The SX-E8 is best suited for:
✔ Riders aged 10–14 years
✔ Confident beginners with prior riding experience
✔ Intermediate to advanced youth riders
⚠️ Due to its power, it is not recommended for complete beginners without supervision.
The SX-E8 is designed for riders approximately:
A proper fit ensures:
Yes — the SX-E8 is built for real off-road and motocross use, including:
With its adjustable suspension and strong frame, it can handle jumps, rough ground, and aggressive riding.
The SX-E8 is fitted with premium off-road components:
This setup provides:
✔ Precise control
✔ Strong stopping power
✔ Stability at higher speeds
Yes — significantly quieter than petrol bikes.
This makes it ideal for private land and noise-restricted areas.
The SX-E8 is often considered a direct electric replacement for a 65cc petrol bike, with several advantages:
Overall, many riders find electric bikes like the SX-E8 easier to learn on and faster to progress with.
Yes — this is a key feature for both safety and progression.
✔ Limit speed for beginners
✔ Gradually increase performance
✔ Match power to skill level
This makes the SX-E8 a bike that grows with the rider.
The recommended rider weight is typically up to 75kg, ensuring optimal performance and handling.
Yes — the SX-E8 is designed for all-terrain off-road use, including:
Very little compared to petrol bikes.
No:
❌ Oil changes
❌ Spark plugs
❌ Fuel system issues
Yes — parts, servicing, and support are available through UK retailers like Ride & Glide.
This ensures:
✔ Easy repairs
✔ Long-term ownership
✔ Peace of mind
The SX-E8 is ideal for:
✔ Kids upgrading from SX-E5 or smaller bikes
✔ Riders moving from 50cc–65cc petrol bikes
✔ Young motocross enthusiasts
✔ Parents wanting a long-term, high-performance investment
If your child is serious about riding — yes.
This is not a basic entry-level bike. It’s a premium youth electric motocross machine that offers:
✔ Long lifespan
✔ High performance
✔ Strong resale value
Due to the bike’s power and speed, full protective gear is essential:
Our Ride and Glide team is here to help you choose the right bike and get the most out of your purchase.
