Front and rear disc brakes
Ultra Bee, heavy electric dirt bike
Surron Ultra Bee is one of the best electric dirt bike model. It has 21KW peak output hairpin motor, with 95km/h max.speed. It has 60Ah lithium battery which offers more than 115kms. It has 4 forward speed mode to different riding experience, and it also has reverse gear for easier to make reverse.
Keywords： Electric motocross bikes
Keywords： electric dirt bike off road
Technical Specifications
The Ultra Bee heavy electric dirt bike off road from Lexsong is a high‑power off‑road bike built for thrill and performance. With a peak 21 kW motor, 95 km/h top speed, long‑range battery, and rugged suspension, this off road bike electric offers excellent traction and handling. Ideal as a racing electric dirt bike, it blends power and comfort for extreme trail riding.
| Model | Ultra bee |
| System | 72V/21KW |
| Performance | |
| Max.Speed (km/h) | 95 |
| Max.Range (km) | 115 (@40km/h) |
| Climbing Ability (%) | 45% |
| Max.Loading Weight (kg) | 200 |
| Passenger Capacity | 1 |
| Rated Loading Weight (kg) | 100 |
| Charging Time (hour) | 2.5hr |
| 0-50km/h acceleration time | 2 seconds |
| Max. torque | 511N.M. |
| 0-80km/h acceleration time | 3.9 seconds |
| Motor Peak Efficiency | 95.6% |
| Dimensions & Weight | |
| Overall Dimensions (LxWxH) (mm) | 2080x850x1180 |
| Packing Dimensions (LxWxH) (mm) | 2130x460x1170 |
| Wheelbase (mm) | 1380 |
| Net/Gross Weight (KG) | 92/138 |
| Seat Height (mm) | 850 |
| Handbar Length (mm) | 910 |
| Ground clearance (mm) | 315 |
| Electric System | |
| System Voltage | 72V |
| Battery Type | Lithium Battery |
| Battery Capacity | 74V60Ah |
| Controller | MTPV Controller |
| Motor Type | Middle mounted PM Brushless HairPin DC |
| Motor Power | 10KW Rated (21KW Max.) |
| Charger | Intelligent, automatic power-cut function, Input 90V-240V, output 85.7V/15A |
| Lighting system | LED lights, including headlight, taillight (option) |
| Instrument panel | Multifunctional LCD digital meter |
| Body and Frame | |
| Body | PP plastic body parts, painted |
| Frame | Forged reinforced aluminum frame |
| Seat | Sponge+leather seat cover |
| Side mirror | Options |
| Frame Surface&Color Processing | Anodic Oxidation |
| Brake, Suspension and Drive System | |
| Brake | Front and Rear Hydraulic Disc Brake, 4 piston, 240mm ventilated disc |
| Driving System | Central Motor, Rear wheel drive, transmitted by chain |
| Speed Mode | Eco/Daily Riding/Sports/Reverse |
| Front suspension | 37 mm inverted fork, 240 mm (9.4″) travel, fully adjustable |
| Rear suspension | Adjustable TR Intersect monoshock, 240 mm wheel travel |
| Wheel & Tire | Spoke 19*1.6 aluminum wheel, front 80/100-19 off road tire; rear 100/90-18 |
Detailed Images
Extended seat
Shock absorber
Packing and Shipping
Our Service
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Warranty
All products include a 1-year defect-free guarantee with swift repair/replacement services. Proactive quality controls minimize risks for uninterrupted operations.
Technical Support
24/7 expert assistance resolves issues remotely or onsite, backed by system-specific maintenance plans. Self-help resources and training ensure continuous operational readiness.
Spare Parts
After service spare parts is always available in reasonable prices and lead time for quick delivery. Even the model is stopped for production, spare parts will still be available.
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Phone Number : +86 512 6510 8165
Mobile Phone : +86 13771670476
Email : info@lexsongmoto.com
Office : Room 504, No.1 Building of Western Tower, Jiarui Mansion, No.400 Suzhou Ave. East, Industrial Park, Suzhou City, Jiangsu Province, China
Factory : B4 Chaoyang Industrial Square, Caohu Street, Suzhou City, Jiangsu Province, China
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