QSMOTOR

QSMOTOR QSMOTOR's full name is Taizhou Quanshun Electric Drive Technology Co., Ltd., in Taizhou, Zhejiang

QSJ128B-70 Hairpin Winding Mid-drive Gearbox Motor✅72V | Rated 4500W | Peak 10500WIdeal applications:🔹Fuel-to-electric c...
31/07/2026

QSJ128B-70 Hairpin Winding Mid-drive Gearbox Motor
✅72V | Rated 4500W | Peak 10500W
Ideal applications:
🔹Fuel-to-electric conversion for motorcycles & dirt bikes
🔹Custom electric motorcycle / e-dirt bike builds
🔹Electric Go-kart
Strong torque for climbing & high-speed riding!


No QS, No Fun!
[email protected]
www.cnqsmotor.com

🤔How to Cool Down a Hub Motor✅ Take breaks after heavy climbing to cool naturally✅ Clean dirt off motor housing to impro...
18/07/2026

🤔How to Cool Down a Hub Motor
✅ Take breaks after heavy climbing to cool naturally
✅ Clean dirt off motor housing to improve heat dissipation
✅ Avoid full throttle & overloading in hot weather
✅ Never pour cold water on overheated hub motors
✅ Adjust controller current limit to cut excess heat


No QS, No Fun!
[email protected]
www.cnqsmotor.com

13/07/2026

QSJ128-70 Gearbox Hairpin Motor!

🔥QSJ128B-70 PMSM Mid-drive Motor | Max Raw Torque 67N·mCore Specs for your reference:✅ Rated Power: 4.5kW | Peak Power: ...
07/07/2026

🔥QSJ128B-70 PMSM Mid-drive Motor | Max Raw Torque 67N·m
Core Specs for your reference:
✅ Rated Power: 4.5kW | Peak Power: 10.5kW
✅ Pre-reduction Max Torque: 67N·m, match 3.462 reduction ratio for explosive climbing force
✅ Peak Efficiency ≥95% | IP67 Dustproof & Waterproof
✅ Encoder sensor + Class H high-temperature insulation, stable under heavy load
✅ S9 duty cycle, perfect for frequent acceleration & steep hill climbing
Best for: Off-road e-bikes, heavy-load electric motorcycles, high-speed conversion kits
72V universal voltage, compatible with 520A peak phase current controller
DM us for bulk price!


No QS, No Fun!
[email protected]
www.cnqsmotor.com

27/06/2026

New QS 128 Motor Test In Progress👏

QS219 Electric Scooter Hub Motor🔍✅Rated 1500W, Peak 3600W✅Rated 34.6N.m, Peak 150N.m💪Strong peak power with abundant pow...
17/06/2026

QS219 Electric Scooter Hub Motor🔍
✅Rated 1500W, Peak 3600W
✅Rated 34.6N.m, Peak 150N.m
💪Strong peak power with abundant power reserve


No QS, No Fun!
[email protected]
www.cnqsmotor.com

✅Why air tightness test for BLDC motors?🔹Block water & dust intrusion🔹Avoid coil short circuit🔹Long service life for off...
04/06/2026

✅Why air tightness test for BLDC motors?
🔹Block water & dust intrusion
🔹Avoid coil short circuit
🔹Long service life for off-road wading


No QS, No Fun!
[email protected]
www.cnqsmotor.com

QS Motor Wiring Cheat Sheet! ✅3 Phase Wires (A/B/C) = power deliveryHall Connectors = position feedbackAll standardized ...
29/05/2026

QS Motor Wiring Cheat Sheet! ✅
3 Phase Wires (A/B/C) = power delivery
Hall Connectors = position feedback
All standardized for easy setup, no guesswork needed! 🔌


No QS, No Fun!
[email protected]
www.cnqsmotor.com

⚙️Precision gear + hairpin motor tech✅Strong low-speed torque✅High load capacity✅Smooth performance No QS, No Fun! inf...
22/05/2026

⚙️Precision gear + hairpin motor tech
✅Strong low-speed torque
✅High load capacity
✅Smooth performance


No QS, No Fun!
[email protected]
www.cnqsmotor.com

Address

Taizhou
318000

Telephone

+8657688551619

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