... 135mm Specifications:1) Rated voltage: DC,36V,48V2) Rated power: 500~1000W3) Rated rotating speed: 280RPM Max.4) ... life), Free maintenance9) Small size, light weight, great power, simple structure10) Excellent starting, no magnetic hysteresis is damping ... capability11) High efficiency, wide scope high efficiency, low electric power consumption, long distance for driving 12) Superior water-proofAttention ...