E MTB / E-city

Q-Type RC350 Rear Hub Motor

The Q-Type RC350 rear hub motor is designed for e-city and EMTB, featuring a 135mm OLD and compatibility with 8-10 speed cassettes. With an IP65 waterproof rating, it ensures high efficiency in harsh conditions. Offering a rated power of 250W to 350W and a torque of 50Nm, it is equipped with HENTACH's patented plastic-steel gears for enhanced durability, making it ideal for frequent starts and electronic braking in city riding

Key Parameter
Motor structure: Rated Voltage(V): Rated Power(W):
Lightweight Rear-Drive Hub Motor 250-350 36-48
Peak Torque(N.m.): Weight(KG): OLD (mm):
50 3.35(With Cassette) 135
detail information
  • Q-Type RC350 Rear Hub Motor
  • Q-Type RC350 Rear Hub Motor
Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. Product Parameters Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. Drawing Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. Contact Us

Core Data

Rated power 250-350
Rated voltage 36-48
Wheel diameter 20-28
Speed range 25-38
Maximum torque 50
Gear Ratio 4.43
Weight (KG) 3.35(With Cassette)

Installation Parameters

Brake disc brake
Torque sensor cassette Yes
Cabling Route Axle Central Right
Spoke hole 2-18-Ф3.2
Waterproof rating IP54(Up to IP65)
Flywheel/Sprocket wheel KAFI 7-10 speed
Certificates TUV/EN15194/RoHS

H1/ OD: 140
H2/Motor OD: 157
W1(-1/-2): 36
W2: 5.45
W3: 15
W4(-1/-2): 41.5
W5(-1/-2): 31.5/35.5
OLD: 135
Axle Length: 203
Ningbo Yinzhou HENTACH Electromechanical Co., Ltd.
contact us
  • Submit and send
WHAT SETS US APART
  • Lightweight rear hub motor, equipped with 10-speed cassette flywheel, 135mm gear opening, rated power up to 350w.

  • Patented plastic steel gear: 5 times the torque of nylon gear; life span greater than 40,000 kilometers; lower after-sales

  • The weight including the cassette flywheel is only 3.35kg, and the stall torque is up to 50NM, specially designed for Emtb/CITY.

WHO ARE WE More than 20 years of production experience.

Ningbo Yinzhou HENTACH Electromechanical Co., Ltd. was established in 1995. For more than 20 years, we have been committed to the casting and processing of miniature DC motors, hub motors for electric vehicles and motorcycles, and aluminum and magnesium alloys for electric vehicles. At the same time, we have a complete ISO9001 quality control system, mature management system and advanced manufacturing and testing equipment.

HENTACH has an area of more than 9,000 square meters, with a construction area of 5,000 square meters. Currently we have more than 60 sets of various internal production equipment including 500 tons die-casting machines, precision CNC machine tools, laser marking machines, micro-arc oxidation, etc., and another two sets of electric vehicle motor test benches.

HENTACH aims to pursue higher quality and innovation products. With rich experience in motor manufacturing, we are confident with our motor quality as we always use the materials and our own patented nylon-steel gear. We used to set up a price for the customers who use our motors for over 30,000 miles. In the end we find over 50 motors that are used by the customers for over 30,000 miles and some of them even reach 50,000 miles. We appreciate for those customers who are always trust our products, which also encourage us to keep exploring and innovating better motor with  quality.

Certified By Certifications