Surron Ultra Bee
The VTB Beast motor is designed to maximize the power of your Surron Ultra Bee. Paired with a VTB V9600 controller, it transforms the Ultra Bee into a 41 kW powerhouse.
Direct Drop-in Replacement for Surron Ultra Bee
- Max Torque: 68 N·m
- Max Stable Rotor RPM: 9500 RPM
- Peak Power: 41 kW
- Max Efficiency: ≥95%
- Working Voltage: 48–100 V
- KV Value: 85 KV
Motor Temperature
- 130°C start limiting
- 150°C power cut
- Max Phase Current: 1100 A
- Number of Pole Pairs: 5
- Phase Wire Terminal: SC35-6
- Waterproof Rating: IP67
- Air Gap: Leading 0.5 mm rotor air gap empowers torque to 62 N·m
- Sensing Method: ABZ + PWM encoder, 1024 pulses with 240 Hz output frequency
- Temperature Sensor: NTC 10k thermistors
- Shaft: High-strength 40CrMoTi steel alloy
- Rotor: IPM (Internal Permanent Magnet) rotor for enhanced power density
- Bearings: Top-standard sealed bearings with excellent shock absorption and durability
- Lamination: High magnetic force stator laminations, reducing eddy-current loss
- Stator Winding: VPI (Vacuum Pressure Impregnation) insulated for protection and durability
- Sensor Terminal: Nylon M12 circular connector for V9600 controller and 8-pin square sensor terminals for higher waterproofing
Specifications
- Stator Size: 140 × 180 mm
- Weight: 11.8 kg
- Color: Iron Gray
Further Description
Encoder Connector
The VTB Beast motor features circular connectors using IMD (In-Mold Decoration) for superior integration with other VTB products, providing IP67 waterproofing. Square-shape connectors are also included for separate motor use, though they carry a slightly higher risk of water ingress due to partial PVC coverage.
Sensing Method
Two sensor types are commonly used: Hall sensors and encoders. Hall sensors offer wide compatibility but slower response under high-speed or traction-loss conditions. Encoders, used in VTB motors, provide premium speed feedback, throttle sensitivity, and precise control, ideal for riders performing wheelies or demanding high control accuracy.



















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