QS motor 15kW (4000W nominal) 40H V3 273

This is a brand new spoke hub ebike motor QS 4000W 40H V3 273 E-Bicycle spoke Hub Motor.

We have following pieces in stock (speed):

• Kv = 11.46 45*4T @72V
• Kv = 8.65 32x5T @72V (sold out)

Parameters:

• BLDC Permanent Magnet Outer Rotor
• Spoke Hub Motor
• Power: 40mm magnet height, 16 pole pairs
• 4000W rated power, 36 spoke holes*4.2mm
• Disc brakes PCD6*44mm (not include Brake Disc), 14mm English thread for single-speed Freewheel, drop-outs 152mm
• Two Halls,10mm2 Phase wire
• Thermic Probe: KTY 83/122
• Waterproof grade: IP54
• Efficiency: ≥87%
• Stronger configuration = high grade magnets, more cooper, bear more amperes
• 12mm Axle flats