XING-E series are very strong and powerful FPV motors for FPV racing, great value choice with well known XING performance.focuses on quality, the XING-E series affordable motors that are strong and durable. This 2207 sized motor features a High-strength 5mm steel hollow shaft, Single strand windings for performance, M3 shaft screw, and larger 9x4x4mm NSK bearings. Features High-strength 5mm Steel shaft N52H High-temperature magnets, NSK bearings 16x16mm hole pattern Single strand copper winding Hex bolt shaft set screw Specifications Model: XING-E Pro 2207 Motor KV: 1800KV / 2450KV / 2750KV Weight(included wire): 33.8g Dimension: φ28.5*33.1mm Interphase Resistance: 81.5mΩ / 46.8mΩ / 41mΩ Peak Current: 35.22A / 42.63A / 50.03A Max Watt: 845.3W / 682.1W / 800.5W Shaft Diameter: 5mm Shaft Protruding Length: 13.5mm Configuration: 12N14P Mounting Holes: 16*16 φ3mm Packing List 1 x XING-E Pro 2207 motor 4 x M3*8 Screws 1 x M5 Flanged Nylon Insert Lock Nut