no brush Control System On Electric Bicycles & Motorcycles The price of controller of brushless torque motor is $21.69U.S. and $26.51U.S.respectively for 36V/600W30A,800W35A type of products. The price of 48V/600W20A,800W25A,900W30A,1000W35A,1200W40A products is $21.69U.S.$27.70U.S.$33.73U.S. $42.17U.S.and $96.39U.S. These products can meet all kinds of routine function, besides ,we supply controller for mass power brush and brushless torque motor ,as well as all kinds of switches. Welcome to purchase !