eCity

Motor R400

The R400, is a super silenct, compact and powerful hub motor designed for a smooth and quiet riding experience. With its high torque and lightweight design, it’s perfect for urban commutes and beyond. Offering both performance and reliability, the R400 ensures an enjoyable eBike ride without compromising on power.

Parameter

Physical Features

Construction : Gear Drive

Weight : 2.3 Kg

Noise Grade : ≤50 dB

Performance & Technical

Rated Voltage : 36V / 48V DC

Rated Power : 250 W

Max Torque : 45 / 50 N.m

Key points

Ultra quiet motor assist

High torque with 45Nm or 50Nm

Lightweight and compact design

Great performance at best value

High torque with 45Nm or 50Nm

Options

Available in 45 N.m or 50 N.m

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What makes it unique !

The R400 combines ultra-quiet operation with powerful torque of 45Nm (50Nm optional), making it the perfect choice for riders who want both discreet performance and strong acceleration.

Ultra-quiet motor assist

With noise levels below 50dB, the R400 ensures a smooth and natural ride, so you barely notice the motor.

Powerful torque

Available in 45Nm or 50Nm versions, ensuring strong acceleration and versatility for city riding and beyond.

Great value for performance

A high-quality hub motor offering a reliable and cost-effective alternative to mid-drive systems, without compromise.

Construction	Gear Drive
Weight (Kg)	2.3
Color	Black
Noise Grade (dB)	≤50
Operation Temperature (°C)	-20~55
Brake Type	Disc Brake
Cable Routing	Left
Spoke specification	36H*13G
Free wheel	Screw-on 7S / Cassette 10S