Description
The Surron Ultra Bee bridges the gap between lightweight electric trail bikes and full-size electric motocross machines. Delivering up to 12.5kW of peak power, 440Nm of wheel torque, and a top speed of 90 km/h, the Ultra Bee is engineered for riders who demand serious off-road performance without the weight of a traditional full-size motorcycle. Built on a forged aluminum chassis and powered by a high-capacity 74V battery system, the Ultra Bee offers exceptional agility, long-range capability, and advanced rider technology for trail riding, enduro adventures, and technical terrain.
Key Features
- 12.5kW peak motor output
- 74V 55Ah removable lithium-ion battery
- 4,070Wh battery capacity
- 440Nm maximum wheel torque
- Up to 140 km maximum range
- 90 km/h top speed
- Surron Traction Control System (SRTC)
- Surron Energy Regenerative System (SERS)
- Multiple ride modes
- Reverse gear
- Forged aluminum frame
- Fully adjustable suspension
- Hydraulic disc brakes
- Lightweight 85 kg chassis
- Fast charging capability
Detailed Overview
Designed around Surron’s fourth-generation powertrain, the Ultra Bee combines the maneuverability of a lightweight electric bike with the performance of a traditional off-road motorcycle. The advanced PMSM motor delivers instant torque for aggressive acceleration, technical climbs, and challenging trail conditions.
The forged aluminum frame keeps overall weight to approximately 85 kg while maintaining excellent rigidity and durability. This balanced design gives riders exceptional control through corners, jumps, and rough terrain while reducing rider fatigue during extended rides.
Its sophisticated electronics package includes traction control, regenerative braking, multiple riding modes, and reverse gear functionality, making the Ultra Bee one of the most technologically advanced electric dirt bikes in its class.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Surron Ultra Bee |
| Motor Type | Permanent Magnet Synchronous Motor (PMSM) |
| Peak Power | 12.5 kW |
| Maximum Torque | 440 Nm |
| Battery | 74V 55Ah Lithium-Ion |
| Battery Capacity | 4,070 Wh |
| Top Speed | 90 km/h |
| Maximum Range | Up to 140 km |
| WMTC Range | Approximately 90 km |
| Charging Time | 4 Hours |
| Riding Modes | Sport, Daily, Eco, Reverse |
| Traction Control | SRTC |
| Regenerative Braking | SERS |
| Reverse Gear | Yes |
| Frame | Forged Aluminum Alloy |
| Front Suspension | Fully Adjustable Inverted Fork |
| Front Travel | 240 mm |
| Rear Suspension | Adjustable TR Intersect Monoshock |
| Rear Wheel Travel | 240 mm |
| Front Tire | 80/100-19 |
| Rear Tire | 90/90-19 |
| Ground Clearance | 318 mm |
| Wheelbase | 1380 mm |
| Seat Height | 910 mm |
| Carrying Capacity | 100 kg |
| Curb Weight | 85 kg |
Performance
The Ultra Bee produces a powerful 12.5kW peak output and 440Nm of wheel torque, enabling rapid acceleration and excellent climbing performance. Riders can accelerate from 0-50 km/h in approximately 2.3 seconds, making the bike highly responsive in both technical and open terrain.
Unlike heavier electric motorcycles, the Ultra Bee maintains a lightweight feel that allows riders to navigate tight trails, rocky sections, and challenging obstacles with confidence. The balanced weight distribution contributes to exceptional handling characteristics across a variety of riding conditions.
Battery & Charging
The Ultra Bee utilizes a removable 74V 55Ah lithium-ion battery pack with a total capacity of 4,070Wh. The battery has been engineered for high power density, long cycle life, and reliable thermal performance during demanding riding sessions.
Battery Highlights
- 74V operating voltage
- 55Ah capacity
- 4.07kWh total energy
- Approximately 4-hour full recharge
- Removable design
- Advanced Battery Management System
Suspension & Handling
Front Suspension
- 37mm inverted fork
- Fully adjustable
- 240mm travel
Rear Suspension
- Adjustable monoshock
- 240mm wheel travel
- Progressive linkage design
The suspension package provides excellent comfort, traction, and stability while maintaining precise control across rough terrain, jumps, and technical trails.
Rider Technology
The Ultra Bee comes equipped with advanced electronic rider aids designed to improve performance and control.
Included Systems
- Surron Traction Control System (SRTC)
- Surron Energy Regenerative System (SERS)
- Multiple ride modes
- Reverse mode
- LCD digital display
- Intelligent battery management
- Electronic motor control system
What’s Included
- Surron Ultra Bee
- 74V 55Ah Battery Pack
- Battery Charger
- Owner’s Manual
- Tool Kit
- Keys
- Charging Accessories
Who Is This Bike For?
The Surron Ultra Bee is ideal for:
- Trail riders
- Enduro enthusiasts
- Advanced off-road riders
- Electric motorcycle enthusiasts
- Adventure riders
- Riders upgrading from a Light Bee X
- Those seeking a lightweight alternative to full-size motocross bikes
Frequently Asked Questions
How fast is the Surron Ultra Bee?
The Ultra Bee has a top speed of approximately 90 km/h (56 mph).
What is the range of the Ultra Bee?
Under ideal riding conditions, the bike can achieve up to 140 km of range at a constant speed of 40 km/h.
How much power does the Ultra Bee produce?
The motor delivers 12.5kW peak power and 440Nm of wheel torque.
Does the Ultra Bee have traction control?
Yes. The bike includes Surron’s SRTC traction control system for improved stability and rider confidence.
Is the battery removable?
Yes. The 74V 55Ah lithium-ion battery can be removed for charging or replacement.
Reviews
There are no reviews yet.