Bafang M430 Cargo Mid‑Drive Motor Kit, 300kg Total Load Capacity 120Nm Torque 910W Peak Power E‑Cargo Ebike Conversion Kit

Bafang M430 Heavy‑Duty E‑Cargo Mid‑Drive Motor Kit

The Bafang M430 is a professional‑grade mid‑drive system engineered for heavy‑load electric cargo bicycles, designed for urban logistics, postal fleets and family cargo transport scenarios. Capable of supporting up to 300 kg total system weight, it delivers 120 Nm maximum torque, 910 W peak power and up to 800% maximum assist ratio, delivering reliable performance under frequent start‑stop and heavy‑load working conditions.

Equipped with high‑precision combined torque & cadence sensor, the system real‑time detects rider pedaling force for instant, natural pedal assist response. Optimized thermal management lowers temperature rise by around 10% and boosts overall efficiency by 5%, greatly enhancing durability for long‑time heavy‑duty operation. Switchable riding modes allow users to select Sport mode under full‑load condition for stronger assistance or Eco mode for extended range when unloaded.

Compatibility

✅ Working Voltage: DC 36V / 48V

✅ Total system weight capacity: up to 300 kg

✅ Applicable wheel size: 20”‑29”

✅ Bottom‑bracket standard: JIS

✅ Application：Commercial logistics cargo ebike, postal fleet, family cargo e‑bike

✅ Speed limit configurable: 25 km/h / 32 km/h / 45 km/h

Precise Dimensions & Core Parameters

Package Includes

1 × Bafang M430 Mid‑Drive Motor 1 × Compatible Display Unit 1 pair × Crank Arms (JIS standard) 1 × Chainring 1 set × EB‑BUS main wiring harness 1 × Speed Sensor Assembly 1 × Thumb Throttle (optional fitment) 1 × E‑brake sensor All mounting fasteners & gaskets

Note: Throttle and e‑brake lever are optional accessories, confirm your configuration before order.

Key Features

✅ Heavy‑Load Cargo‑Oriented Performance: Supports up to 300 kg total system weight. 120Nm max torque + 800% high assist ratio, effortless start‑up, acceleration and hill‑climbing under heavy cargo load, reduces rider fatigue during long‑time commercial operation.

✅ High‑Precision Torque & Cadence Dual Sensor: Fast‑response sensor achieves seamless match between pedaling force and motor output. Provides intuitive, natural riding experience even under heavy‑load status.

✅ Optimized Thermal & Efficiency Design: Advanced thermal‑conducting process reduces temperature rise by approx.10%, comprehensive system efficiency improved by 5%, ensures long‑term stable performance under continuous heavy‑duty cycles.

✅ Multiple Riding Modes: Adaptive Sport+ mode available. Switch between Sport mode for maximum assistance under full‑load and Eco mode for longer range with light load, balance power output and battery life.

✅ IPX6 Dust‑Water Protection: Reliable protection against splashing water and dust, adapts to all‑day urban outdoor operation for cargo delivery.

✅ Built‑in 12V Light Output: 12V /12W max power supply for front headlight and rear taillight, perfect for night‑time logistics delivery.

✅ Wide Compatibility: Fits 20‑29 inch wheels with JIS bottom bracket, works for most OEM cargo bike frames and cargo ebike retrofit projects.

✅ Authorized Certification: CE and UL2849 certified, meets mainstream market safety requirements for commercial e‑cargo applications.

Specifications

• Brand: Bafang
• Model: M430
• Motor Type: Mid‑Crank Mid‑Drive Motor
• Voltage: DC 36V / 48V
• Rated Power: 250W /750W
• Peak Power: 910W
• Max Torque: 120Nm
• Max Assist Ratio: 800%
• Sensor Type: Torque & Cadence combined sensor
• Motor Weight: 4 kg
• IP Grade: IPX6
• Light Output:12V, max12W
• Shaft Standard: JIS
• Applicable Wheel: 20”‑29”
• Certification: CE, UL2849
• Package: Full conversion kit as listed in package contents

Important Notes

• This is heavy‑duty cargo e‑bike drive system, confirm your frame supports up to 300 kg total system weight before purchase.
• Throttle and e‑brake lever are optional parts, please clarify your configuration before ordering.
• Minor color differences may appear due to lighting and screen display variations.
• Mechanical measurement tolerance allowed.
• Only items listed in Package Includes are covered; demo accessories shown on reference pictures are not included.
• Recommended for commercial logistics fleets, postal service projects and heavy‑load family cargo bicycle upgrade.

Ideal drive solution for cargo bike OEM manufacturers, logistics fleet operators, bike repair workshops and wholesale distributors.