New Sur-Ron ULTRA BEE model details, with links to new and used dealer listings and latest Sur-Ron deals

The 2025 Ultra Bee C brings a perfect balance of power, control, and versatility to the trail. Its lightweight forged-aluminum frame pairs with a responsive mid-drive motor tuned for smooth, controllable torque and confident acceleration across changing terrain. Multiple ride modes and refined throttle mapping let riders adapt instantly, whether navigating tight singletrack or opening up on wider sections.

With enhanced suspension, upgraded wheel components, and a reliable braking system, the Ultra Bee C delivers agile handling, stable control, and a more refined off-road experience. Every ride feels sharp, capable, and exhilarating—no matter your skill level.

Throttle

Smooth, precise control at your fingertips. Multiple ride modes and refined throttle mapping let you tailor power delivery to your terrain and riding style.

Power

Responsive, confident performance. The Ultra Bee C’s mid-drive motor delivers strong, controllable torque for technical climbs, trail flow, and everyday off-road riding.

Battery

Reliable energy for every adventure. The high-capacity 74V lithium battery provides stable output and convenient charging, supporting longer rides with consistent performance.

Wheel Set

Ready for all-terrain exploration. The Ultra Bee C uses a 19" front and 19" rear wheel setup designed for grip, stability, and confident handling across varied off-road surfaces.

Suspension

Smooth, adaptable, and trail-tuned. The adjustable suspension system absorbs bumps with ease, improving comfort, traction, and control on uneven terrain.

Braking

Confident stopping in any condition. The hydraulic braking system provides strong, predictable power and stable modulation for safer off-road riding.

Balance Is Perfection

Engineered for harmony between power, control, and rider feel.

The Ultra Bee follows Sur-Ron’s core design philosophy that true performance comes from perfect balance. Its forged aluminum-alloy frame is tailored to the bike’s dedicated power system, achieving a precise 50:50 weight distribution and a remarkably light 187 lb overall weight—easy to lift by hand and effortless to handle on the trail. With a refined rider interface and adaptable riding characteristics, the Ultra Bee lets every rider find their ideal blend of daily comfort and off-road capability, creating a seamless connection between machine and rider.

High-Performance Motor

& FOC Controller

Refined, responsive, and built for real off-road versatility.

The Ultra Bee C features Sur-Ron’s advanced mid-drive motor paired with an intelligent FOC sine-wave controller, working together to deliver smooth, controllable torque and confident acceleration across a wide range of terrain. Tuned through extensive real-world testing, the system provides precise power modulation and improved traction management in all ride modes.

This optimized power platform enhances throttle feel, efficiency, and overall ride stability—allowing the Ultra Bee C to adapt effortlessly from daily trail cruising to more demanding off-road challenges. The result is a balanced, capable, and intuitive riding experience from the very first ride.

New Power System Combination

The Ultra Bee C’s isolated electrical architecture ensures stable, interference-free performance, pairing a 12.5 kW peak motor with 324.5 ft-lbs of wheel torque and a 74V 55Ah battery pack. This balanced setup delivers quick response, precise control, and confident handling across varied terrain.

Self-Developed INTERSECT TR Suspension System

Sur-Ron’s INTERSECT TR multi-link suspension delivers smooth, controlled performance across rough terrain, offering excellent traction and balanced support. Tuned specifically for the Ultra Bee C, it provides precise handling, strong stability, and greater confidence during both technical maneuvers and fast trail riding.

74V 55Ah High-Performance Li-ion Battery Pack

The Ultra Bee C’s 4070Wh battery features a redesigned structure that delivers higher power density, improved thermal stability, and a lifespan of up to 1500 charge cycles. Weighing just 45.19 lbs, it achieves an industry-leading 200 Wh/kg energy density for reliable, sustained performance on every ride.

SRTC Off-Road Traction Control

The Ultra Bee C’s next-generation SRTC traction control system is designed specifically for off-road riding. With three adjustable TC levels, riders can fine-tune stability and wheel slip to match terrain and skill level—maintaining control without sacrificing agility. From loose surfaces to technical turns, the system helps you stay confident while unlocking effortless, controlled slides.

Customized Fully Adjustable Suspension System

With 9.4 inches of suspension travel, the Ultra Bee C delivers excellent manoeuvrability and comfort across varied off-road terrain. Its soft steering block design—unlike the hard blocks found on conventional motorcycles—provides added protection and cushioning for both the suspension and wheel systems during impacts or tip-overs.