K7-138KL

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

K7-138KL

Powerful K7-138KL Hub Motor!

Specially Crafted for City Electric Bicycle

Customizable Power Output of 350W

Max Torque Reaching 45N.M!

Experience Thrilling Speeds of 35 Km/H

O.L.D is 138mm, Cassette Freewheel

Road Thrills Await!

250–350 W

Rated Power

47 N·m

Torque

138 mm

O.L.D

UNLEASH POWER: K7-138KL HUB MOTOR ELEVATES YOUR RIDE!

 

Rear Hub Motor: Specially crafted for city electric bicycle or road electric bicycle.

Powerful Specifications: Ranging from 250W to 350W, with a torque of 45 N.m.

Thrilling Max Speed: Experience speeds up to 35 km/h for an exhilarating ride.

Compact Installation: Fits rear forks with a width of 138mm.

Robust Aluminum Build: Resistant to humidity, rust, corrosion, and environmental challenges.

Lightweight & Durable: Boasts a lightweight design with high durability, weighing in at only 2.4 kg for easy handling.

Efficiency, Quiet, Rapid: Experience top efficiency, minimal noise, and rapid responsiveness.

Contact Us to Power Up Your Ride with the K7-138KL Hub Motor!

Sensor Type

Rear

O.L.D (open size)

138 mm

Drive Train

8–10 cassette

Voltage

24–48 V

Rated Power

250–350 W

Peak Torque

47 N·m

Net Weight

2.8 kg

Wheel Size

-

Gear Ratio

-

Dropout Width

-

Category

hub-motor

Application Type

eCity / eTour / eFold

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

K7-138KL

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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.