Ventus Beast 48 kW

Unleash the raw power of your Ultra Bee: The Ventus Beast 48 kW (BST48) transforms stock models into high-performance monsters. With up to 48 kW peak power (with a 96 V battery) and 85 Nm torque, this round-wire motor sets new standards in compactness, efficiency, and uncompromising performance.

Extreme performance at the touch of a button

38 kW at 72 V, 48 kW at 96 V, the Beast delivers explosive acceleration. The peak torque of 85 Nm (1250 A) or 48 Nm (560 A) catapults you forward at up to 200 km/h (96 V, 46-tooth sprocket, 62.5 cm wheel), made for adrenaline junkies.

Efficiency meets robustness

Up to 93% efficiency with natural air cooling. IP65 protection, insulation class 155 °C, and NTC temperature sensor ensure reliability under extreme conditions. Weighs only 13.2 kg with dimensions of Ø 180 × 170 mm, power without ballast.

Precision in every rotation

10,000 RPM, KV 77.7, 5 pole pairs, and ABZ+P encoder guarantee millimeter-precise control. The 16 mm² phase conductors can withstand the highest currents. Round-wire technology minimizes losses and maximizes durability.

Plug & Play for top models

The Ventus Beast 48 kW is designed for installation in the Sur-Ron Ultra Bee. Direct installation, no modifications to the bike necessary.