Description

QS 4KW Mid-Drive Motor for Electric Bikes & Small Vehicles

Upgrade your electric motorbike, dirt bike, go-kart, or compact EV with this high-performance 4000W mid-drive motor. Designed for speed, torque, and durability — this motor delivers up to 110 km/h top speed and powerful 80 N·m torque with peak output reaching up to 14 kW – 20 kW.

Specifications

• Power: 4000 W (Peak up to 14 kW / 20 kW burst)

• Voltage: 72 V DC

• Motor Type: Brushless DC (Permanent Magnet Motor)

• Design: Mid-Drive with Single Axle

• Magnet: High-strength V-Magnet 90H

• Maximum Speed: 90 – 120 km/h (vehicle dependent)

• Maximum Torque: 60 – 80 N·m

• Maximum RPM: 7000 rpm

• Efficiency: Up to 91 %

• Waterproof Rating: IP54

• Color: Black

• Drive Options: Sprocket Wheel / Pulley

Key Features

• Compact mid-drive design for better weight distribution

• Strong acceleration and smooth power delivery

• High-efficiency BLDC motor for low noise operation

• Ideal for electric motorcycles, dirt bikes, go-karts & utility vehicles

• Available with QS Motor / QSMOTOR / Custom Branding

Packing Details

• Net Weight: 13 kg

• Box Dimensions: 33 × 33 × 32 cm

• Package Includes: Motor + Sprocket or Pulley + Cable Leads

Refrence Credit : www.qsmotor.com