QS V3 273 40H Motorcycle 18″ 19″ 21″ 72v 8000W Ebike Motor Wheel Electric Bike Rear hub Motor wheel 150mm Dropout Width

Difference between 3.5T and 5T : 3.5T is high speed version（Speed reach 120km/h without load at 72V）, 5T is high torque version(Speed reach 70-75km/h without load at 72V). And if you often ride on mountain road or your ebike will load heavy weight, then 5T is better for you.

8000W 273 40H V3 E-spoke hub motor

Motor Type: BLDC Permanent Magnet Outer Rotor In-Wheel Hub Motor With Hall Sensor

Brand: QS Motor,QSMOTOR

Motor Design: Double axle without rim (not integrated), 36 spoke holes, OD 4.2mm

Matching Rim size: 24inch, 26inch E-Bike Wheel, 17inch, 18inch, 19inch moped wheel.

Magnet Height: 40mm, 16 pole pairs

Stator: Aluminmum Core

Rated Power: 8000W

Rated Voltage: 72V as default

Max Speed: 130KPH

kV: 11.46/12.46/13.54/15.69/17.71etc.

Max Torque: approx 250N.m

Max Efficiency: 86-91%

Suggest Peak Phase Current: 196-245A (depend on the kV)

Thermic Probe: KTY83/122 (as default, optional)

Working Temperature: 70-120℃ , peak 150 ℃

Brake type: Bike Disc brake, PCD6*44mm(as default)

Drop-outs/Rear Fork Width for installation: 150mm

Dual Hall Set with waterproof connectors

16mm⊃2; Cross Section of Phase Wire (not include insulation layer)

Hall Sensor Phasing angle: 120 degree

Waterproof Grade: IP54