XING-E Pro series are very strong and powerful FPV motors for FPV racing, great value choice with well known XING performance. focus on quality, the XING-E Pro series affordable motors that are strong and durable. This 2306 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 N52SH High-temperature magnets, NSK bearings 16x16mm hole pattern Single strand copper winding 6061 CNC machined aluminum top and base parts Hex bolt shaft set screw Specifications Model: XING-E Pro 2306 Motor KV: 1700KV / 2450KV Weight(included wire): 33.8g / 33.6g Dimension: φ29.5*32.2mm Interphase Resistance: 85.63mΩ / 55.6mΩ Input Volts: 25.2V / 16.8V Peak Current: 36.66A / 43.38A Max Watt: 920.2W / 712.7W Mounting Holes: 16*16 φ3mm Rotor Specifications: Unibell Shaft Diameter: 5mm Shaft Protruding Length: 13.5mm Lead: 160mm/20AWG Magnet: N52H Curved Configuration: 12N14P Bearing Type: NSK Bearing Specification: φ9*φ4*4 Winding: Single Strand copper winding Packing List 1 x XING-E Pro 2306 motor 4 x M3*8 Screws 1 x M5 Flanged Nylon Insert Lock Nut