Speed Passion Ultra Sportsman 21.5R
Speed Passion have released the latest motor in their Ultra Sportsman brushless stock motor series, the 21.5R. Providing a longer product life cycle, combined with consistency, performance & power, this motor has been designed for high performance on and off road racing, as well as oval running. Featuring a simplified sealed can design, dual high speed ball bearings, high density neodymium magnets as well as an ultra balanced sintered rotor the 21.5R is sensor and sensorless compatible.
Source: Speed Passion [speedpassion.net]