RFN - Warrior Youth SX-E5

🏍️ RFN Warrior Youth SX-E5 (Electric Dirt Bike) — Youth Racing Class (50cc Equivalent)

High-performance youth e-MX built for young riders stepping into real track riding — instant torque, adjustable fit, and pro-level suspension.

📦 General Information

◦ Model: RFN Warrior Youth SX-E5
◦ Category: Youth Electric Motocross / Off-Road
◦ Equivalent Class: Gas 50cc (youth racing class)
◦ Bike Weight: 47–48 kg
◦ Rider Fit: Designed to “grow with the rider” (adjustable seat height)

⚡ Motor & Controller

◦ Motor Type: Brushless Motor
◦ Controller: Sine Wave Controller
◦ Peak Power: 5,000W (5 kW) ≈ 7 hp
◦ Peak Rear-Wheel Torque: 145 Nm
◦ Riding Character: Instant torque response (no gears / no engine lag)

🔋 Battery & Charging

◦ Battery Type: Removable / swappable Lithium-ion
◦ Battery Spec: 48V 25Ah (≈ 1,200 Wh)
◦ Charging Time: 2.5 – 5 hours (supports Fast Charge)
◦ Estimated Range: 30 – 40 km per charge (depends on riding style/terrain)

🚀 Performance

◦ Top Speed: Up to 60 km/h (≈ 37.5 mph)
◦ Ride Modes: 3 modes — Eco / Mid / Sport
◦ Best Use: Track practice, off-road riding, youth racing progression

🦾 Suspension

◦ Front Suspension: Upside-Down (USD) Fork — fully adjustable damping
◦ Rear Suspension: Single Shock — fully adjustable (Compression & Rebound)
◦ Tuning Purpose: Designed for jumps, hard landings, and track stability

🦿 Wheels & Tires

◦ Front Wheel: 12"
◦ Rear Wheel: 10"
◦ Tires: Kenda knobby off-road tires (MX grip)

🛑 Braking System

◦ Brake Type: Hydraulic Disc Brakes (front & rear)
◦ Calipers: 2-piston (front & rear)
◦ Brake Rotor Size: 160 mm

🛡️ Safety & Controls

◦ Parental Control: Speed limit & power tuning via smartphone app
◦ Safety Lanyard: Auto motor cut-off if rider falls off
◦ Throttle Control: Smooth delivery via sine-wave controller

👦 Target Rider

◦ Recommended Age: ~6–10 years (or ~8–12 depending on size/skill)
◦ Recommended Height: ~120–140 cm
◦ Riding Level: Beginner → Intermediate youth riders moving toward racing

💥 Key Highlights

◦ 5kW peak power + 145 Nm rear-wheel torque — strong but controllable
◦ Pro-level adjustable suspension (USD fork + adjustable rear shock)
◦ 3 ride modes (Eco / Mid / Sport) — supports skill progression
◦ Adjustable seat height (615–665 mm) — grows with the rider
◦ Hydraulic 2-piston brakes + 160 mm rotors — confident stopping power
◦ App control + safety lanyard — added safety for parents and young riders