2025 Surron Ultra Bee 2 - 21 kW
Introducing the 2025 Surron Ultra Bee II NA, Surron's latest innovation that redefines performance standards and sets a new benchmark in electric motocross. This machine isn't just an upgrade; it's a transformation, pushing the boundaries of what's possible on two wheels. Sporting a striking new look, the Ultra Bee II NA features eye-catching gold accents on the front shocks, complemented by fresh decals and a sleek, redesigned profile. A custom 18" rear wheel set further enhances both performance and aesthetics.
New Upgrades:
- Turbo Button: Achieve an incredible 21kW peak power or sustain 18kW of continuous power in Sport mode.
- Crawling Function: A game-changer for technical trail riding, providing enhanced control and support.
- Battery Upgrade: Large 74V/60Ah capacity for increased range and power.
- Faster Acceleration: 0–31 mph in only 2 seconds.
- Enhanced Build: A more rigid fork for improved handling and durability.
- New Controller: Features the advanced MTPA/MTPV Controller for precision and efficiency.
- Advanced Hairpin Motor: Delivers higher efficiency and rapid heat dissipation (standard on all 24MY US Ultra Bee models).
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Updated Look: Stylish new colors and decals for a fresh, distinctive appearance.
Product Features
- 18KW High Torque Motor (21KW with turbo)
- Top speed of 59 mph
- 71.5 mile range
- 74V 60AH Lithium Battery
- DOT four piston brakes
- Torque of 377ft-lbs
- The power mode includes Eco/Daily/sports/Reverse and Turbo mode.
- 2.5 hour recharge time
2. Peak power 21kw (Turbo)18kw (sports).
3. New optimized gold front fork, the outer tube change to squeeze-through type, and the wall thickness Is more uniform, enhancing the absorbers overall rigidity by over 50%.
4. Optimized damping system with hydraulic butter devices, improving
impact resistance by over 30%.
5. Drive wheel torque increased to 376.9ft-los.
6. 25 hours fast charging(20%-80%).
7. Efficient range 71.5miles @31mph.
8. Maximum speed of 59 mph
9. New optimized high-performance lithium battery pack: 74V60An.
10. Lightweight body design, balanced power setting
11. The power mode includes Eco/Daily/ Sports/ Reverse and Turbo mode.
12. Crawling control function (adjustable in three levels)
13. Enhanced primary transmission system (carbon Tiber belt + forged pulleys + tungsten carbide coating.)
14. The surface hardness or the tungsten carbide pulley exceeds Vickers
HV1000, Which Is three times that of hard anodized pulleys, significantly
increasing wear resistance, with belt strength improved by 60%.
15. Utilizing a new HairPin winding technology that significantly increases the motor's filling factor, resulting in higher efficiency and improved dissipation.
***All vehicle model images and specifications on this page are for reference only and may not represent the version imported to your region. Please check with your local Surron authorized dealer for the final specifications.
***Do not ride bike into the water, otherwise it will damage the battery and motor, and even cause personal injury. When riding, please wear a safety helmet and obey the local traffic law and regulations. Do not ride when the battery compartment cap is not fully secure. Please take out the battery before washing the bike. Do not apply the high-pressure washer direct on the battery or other electrical parts.
***Made for Off-road use.