2022 The Newest QS 273 40H 72V 8000W Motor, 150mm Dropout Width for Rear Wheel, Electric Bicycle Hub Motor Max Speed 110-120kph
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.
Generally SPEC
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: 17inch, 18inch, 19inch, 21inch moped wheel.
Magnet Height: 40mm, 16 pole pairs
Stator: Aluminmum Core
Rated Power: 4000W
Rated Voltage: 72V as default
Max Speed: 120KPH
kV: 11.46/12.46/13.54/15.69/17.71etc.
Max Torque: approx 250N.m
Max Efficiency: 86-91%
Continuous Battery Current:69A (72V)
Peak Battery Current: 138A (72V)
Suggest Peak Phase Current: 448-561A (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
Color: Black
N.W./G.W.: 18.2kg/20.0kg
Package Dimension: 43cm*43cm*41cm/piece
For the option of Seller's shipping method, It is sea or rail shipping, usually take 1.5months to arrive, please noted.
Inventory Last Updated: Oct 23, 2024
