QS138 90H V3 4KW mid drive motor with ND72680/ND84530 Fardriver controller kit. AUD 1641.54 Category : Electric Bicycle Components Seller : nbpowerebikes(25, 96.4%) | ND72530 72V 350A High Power Programmable Controller For 6-8KW BLDC QS Motor. AUD 593.63 Category : Electric Bicycle Components Seller : newdoon2022(171, 94.8%) |