... More Beautiful, more logical, more energy-saving electric bike conversion 1. Crank Shaft Electric Motor with Own Exclusive Patent2. More Beautiful, ... power Conversion.(Reduce Mechanical Loss), Highly Efficient In-Line Drive.4. Model: BFLEM36-001 5. Rated Voltage: DC 36V6. ... interfering with each other, which makes the structure of electric motor more compact11. High quality and most competitive price, ...