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What is IPMSM Motor in Oben Electric Bikes?

At the heart of every Oben Electric motorcycle is our advanced IPMSM (Interior Permanent Magnet Synchronous Motor). It’s the same motor technology trusted in premium EVs. Compact yet powerful, it delivers class-leading torque of 286 Nm on wheel in the Rorr EZ Sigma. This ensures unmatched acceleration (0–40 km/h in just 3.3 s) and a superior riding experience. Its IP67 rating helps protect it from water and dust. Combined with our single-stage belt drive, the Oben IPMSM motor turns every ride into a smooth, responsive, and unforgettable experience.