29mm Brushless DC Motor 12 and 24V DC Max. Speed: More than 20.000rpm Integrated electronics is available ... Features:Rated power: 7, 10, 18 and 39WVoltage: 12 and 24V DCRated current: 1.1, 1.3, 1.5 and 2 ... .027NmNo-loading speed: 6,700, 7,500, 8,300 and 15,000rpmRated speed: 5,300, 5,800, 7,300 and 14 ... 11mm longer than external controllerCustomized requirements are accepted 29mm Brushless DC Motor