S7-175YL(20)-M

Mid Drive

DMO1

DMO2

DMO3

Hub Motor

Fat Tyre

mountain bike

city bike

Tricycle

Integrated Hub Motor

Direct Drive

Wheel Chair

Single Axle

Inner 3-Speed

product

S7-175YL(20)-M

Discover the Ultimate E-Bike Power: S7-175YL Integrated Hub Motor



Tailored Precisely for Rear Fat Tyre and Heavy Utility E-Bikes

20-Inch Integrated Cast Wheel Architecture with 175/190mm O.L.D

Up to 750W of Performance and 80N.m Torque

Built to Last and Endure Heavy Loads and Rough Terrain

Silent, Powerful, Efficient and Responsive

Where Heavy-Duty E-Bike Performance Comes to Light!

350 – 750

Rated Power

80 N·m

Torque

175 / 190

O.L.D

READY FOR THE S7-175YL HUB MOTOR THRILL?



Powerful Rear Hub: Delivering 80N.m of peak torque for exceptional high-load acceleration on 20-inch fat tyre and utility electric bikes.

Scalable Power & Voltage: Configurable from 350W up to a stable 750W power threshold, adapting seamlessly to 36/48V standard battery architectures.

Rear Frame Compatibility: Fits 175mm or 190mm rear dropouts perfectly with an integrated cast alloy wheel structure and 6–7 speed drivetrain.

Weatherproof IP 65 Enclosure: Outstanding resilience against dust, water spray, and outdoor elements with a whisper-quiet footprint under 60 dB.

Smooth, Quiet, Quick: Maximum power transfer with minimal acoustic footprint and instant motor responsiveness.

Ready to take the next step? Contact us today!

Sensor Type

Rear

O.L.D (open size)

175 / 190

Drive Train

6 – 7 speed

Voltage

36 / 48

Rated Power

350 – 750

Peak Torque

80 N·m

Net Weight

5.6 kg

Wheel Size

20

Gear Ratio

5 : 1 / 5.2 : 1

Dropout Width

175 / 190

Category

hub-motor

Application Type

Integrated Wheel (20″)

Noise Level (dB)

< 60

Operating Temperature (℃)

-20 to 45

Connector Type

Waterproof Plug

Cable Lenghth (mm)

Customized

IP Rating

IP 65

Certifications

CE/RoHS/EN 15194

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Direct-from-factory electric drive systems for OEM manufacturers.

Suzhou Toseven New Energy Technology Co., Ltd. — a professional electric bicycle motor manufacturer integrating R&D, production, sales and after-sales departments.

Product

About

Resources

Contact

T  +86 173 140 627 08
E  liying@to7motor.cn

No. 36 Tianedang Road
Wuzhong District
Suzhou, China

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© 2026 TOSEVEN. All specifications subject to revision.