The BAC855 is a high-performance sub-compact AC Motor Controller / Inverter and employs the latest in Field-Oriented Vector Control (FOC) and ASI’s proprietary adaptive Sensorless Motor Control Algorithm. ASI Controllers feature auto-tuning and can deliver up to 120% of a Motor’s rated maximum locked rotor torque without the need for complicated position sensors. The BAC855 is designed to handle the highest commercial tier of electric bikes, delivering more power for these demanding applications.