3BHOBBY Racing Motor 3BR-4218 X-CLASS KV350/540 12S Brushless Motor for RC Drone

Specifications Brand Name 3BHOBBYItem No 3BR 4218 X CLASSKV 350 540No of Cells Lipo 12SStator Diameter 42mmStator Height 18mmShaft Diameter 6mmMotor Dimension Dia Len 50 4 63 9mmWeight g 252g Excluding Cable Wire Szie 14AWG 750mmSuggested Propeller 14Recommend ESC 60 80AFrame Size 500mm or aboveFeatures 1 3BHOBBYs initial X Class motor2 Best for 14 big quadcopters Long RangeHigh Speed Flight3 Enhanced Structure Assured Durability Survives Greatly under Extreme Racing Conditions 4 Reduced Vibration Noise Prolonged Bearing Life Cycle with the New Patent Wave Washer Were the first motor company using this technology on FPV brushless drone motors 5 Continuing Our Major Strength on Magnet Field Optimizing and Stator Lining Maximum Improving Efficiency and Power 6 TOP Material Imported Japanese NSK Bearing Japanese Kaw asaki 0 2mm Stator N52H NdFeB Magnet US standard GR5 Titanium Hollow Shaft 7075 AL Package Include 1 X3BR 4218 X CLASS2 X M5 7075 Aluminum nut5 X M3 10 Round head hex socket screws