Description

The 2024 Sur-Ron Ultra Bee (21kW) is a powerhouse electric dirt bike built for serious riders who demand maximum performance, durability, and control. Positioned above the Light Bee series, the Ultra Bee delivers significantly more power, stronger acceleration, and a full-size motocross feel — making it one of the most advanced electric off-road bikes in its class.

Engineered with a high-output motor and an upgraded battery system, the Ultra Bee provides explosive torque, extended range, and superior riding stability. Its reinforced frame, premium suspension, and advanced electronics ensure precision handling across the toughest terrains, from steep climbs to high-speed trails.

Whether you’re pushing limits on the track or conquering rugged off-road environments, the Ultra Bee is built to dominate.

---

Key Features

• High-performance 21kW peak power output
• High-capacity lithium battery for extended riding
• Full-size chassis for improved stability and control
• Premium suspension system for aggressive riding
• Advanced braking system with strong stopping power
• Quiet, zero-emission electric performance

---

Full Specifications

Battery & Power

• Battery Type: Lithium-ion
• Battery Capacity: 74V 55Ah
• Range: Up to 120–140 km (depending on riding conditions)
• Charging Time: 4–5 hours
• Motor Type: Mid-drive electric motor
• Peak Power: 21 kW

---

Performance

• Top Speed: Up to 90–100 km/h (56–62 mph)
• Torque: ~440+ Nm (wheel torque)
• Ride Modes: Eco, Sport, and Performance modes
• Transmission: Chain drive

---

Chassis & Suspension

• Frame: High-strength aluminum alloy frame
• Front Suspension: High-performance inverted fork (fully adjustable)
• Rear Suspension: Linkage rear shock (fully adjustable)
• Wheel Size: 19-inch front / 18-inch rear
• Ground Clearance: ~300 mm

---

Brakes & Safety

• Front Brake: Hydraulic disc (large rotor)
• Rear Brake: Hydraulic disc
• Regenerative Braking: Yes
• Traction Control: Yes

---

Dimensions & Weight

• Seat Height: ~910 mm
• Wheelbase: ~1380 mm
• Net Weight: ~85 kg (with battery)
• Max Load: ~100–120 kg

---

Additional Features

• Advanced digital display (speed, battery, ride modes)
• Removable battery system
• LED lighting system
• Advanced controller for smooth power delivery
• Quiet, eco-friendly operation

---

Why Choose the Ultra Bee (21kW)

The 2024 Sur-Ron Ultra Bee is designed for riders who want more power, more control, and a true motocross-level experience. With its 21kW output, larger chassis, and premium components, it stands as a major upgrade over the Light Bee series — delivering professional-level performance in an electric package.