Hobbywing xerun xr8 plus g2s brushless esc/4268sd g3 motor combo 1900kv 38020500 the use of double insulated windings (240°c r-rated), nmb bearings from japan, and the high-intensity adhesive (340°c) guarantees users the outstanding performance and super durability. 1900Kv recommended for 1/8 off road.