External Rotor Brushless Motor 1/Dimention:24.8x24 2/Special for 200 Class heli& ... Speed Version Flying Wing 3/KV2100/3590 The same series motor parameter:SeriesModel No. Dimentions(mm)shaft diameterShaft Diameter(mm)Weight ... ,American ,Germany ,Italy ,Japan ,England etc .We could produce brushless motor & ESC by ourselves,and have the professional study team to ...