Surron Ultra Bee HP

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The SURRON Ultra Bee HP is a high-performance electric off-road bike engineered for advanced off-trail riding and demanding terrain. It features a powerful motor system, robust battery architecture and purpose-built chassis components.
 
Powertrain and Performance
Peak Motor Power: 21 kW (Turbo mode)
Secondary Power: 18 kW (Sports mode)
Maximum Torque (on wheel): 511 N·m
Battery: 74 V / 60 Ah lithium-ion pack
Riding Modes: Eco, Daily, Sports, Crawl, Reverse, Turbo
Top Speed: 95 km/h
Charge Time (20 %–80 %): Approx. 2.5 hours
 
Chassis and Dimensions
Frame Material: Forged aluminium alloy
Curb Weight: 88.5 kg
Carrying Capacity: 100 kg
Overall Dimensions (L×W×H): 2080 × 850 × 1180 mm
Wheelbase: 1380 mm
Seat Height: 910 mm
Ground Clearance: 315 mm
 
Suspension and Wheels
Front Fork Travel: 240 mm
Rear Shock / Wheel Travel: 85 / 240 mm
Front Tyre: 80/100-19 off-road
Rear Tyre: 100/90-18 off-road
 
Control and Assistance
Controller: PMSM FOC with MTPA/MTPV
Throttle Curve: Three-stage adjustable
Primary Belt System: Carbon fibre belt with forged pulley and tungsten carbide coating
Assistance Systems: Traction control and adjustable regenerative system
Additional Functions: Tilt protection, app connectivity (optional)
 
The Ultra Bee HP integrates a high-torque electric powertrain with an adjustable riding ecosystem and robust frame design, providing consistent performance across diverse off-road conditions.