SpeedBox 1.3 module for Bafang e-bike motors with 4-pin connector for speed tuning up to 50 km/h

SpeedBox 1.3 for Bafang 4-pin connector debriding module for e-bikes up to 50 km/h

SpeedBox 1.3 module connected to Bafang Max Drive M300 motor with 4-pin connector on electric bike

3-pin connector diagram for Bafang Max Drive motor with detailed wiring and sensor positioning

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SpeedBox 1.3 for Bafang (4-pin connector)

SKU: SB13_BAF

Compatible motor:

Bafang

Possible loss of motor warranty, no return possible if packaging opened.

Price:

SFr. 170.00

Taxes included Shipping costs calculated at checkout

Stock:

In stock

Quantity:

SpeedBox 1.3 for Bafang (4-pin connector) is a de-restriction module for electric bikes fitted with Bafang Max Drive M300, M400 and M420 motors with 4-pin connector. It removes the 25 km/h assistance limit, offering smooth assistance up to 50 km/h.

The module is activated manually via the LIGHT button on the control console. When the SpeedBox is activated, the headlight symbol is briefly displayed; simply press again to deactivate. Installation is simple, thanks to color-coded, solderless connectors.

Key Features

Manual activation: via LIGHT button.
Simple installation: color-coded connectors, Plug & Play.
Compatibility: Bafang Max Drive M300, M400 and M420 motors (4-pin connector).
Correct display: actual speed up to 23 km/h.
Reliability: robust module designed for intensive use.

Technical Description

Specification	Detail
Type of Use	Tuning e-bike Bafang (off-road legal use)
Motor Compatibility	Bafang Max Drive M300, M400, M420 with 4-pin connector
Activation	Manual via LIGHT button
Max. speed setting	Up to 50 km/h
Display	Actual speed up to 23 km/h, then fixed value
Installation	Plug & Play with color-coded connectors
Recommendation	Ride ~10 km before first activation on new bike
Warnings	Use on public roads may be illegal; may void warranty

Neither the dealer nor the manufacturer can be held responsible for motor malfunctions after the product has been installed.
Not permitted within the scope of the Swiss Federal Road Traffic Act (SVG)! Liability, warranty and guarantee on the part of the dealer/manufacturer excluded.
Please note that the use of bikes fitted with the unbolt kit may contravene current legislation in some countries. The manufacturer will not be held responsible for any damage caused by the use of SpeedBox products. Electric bicycles equipped with SpeedBox products may not be used on roads, cycle paths or in public spaces. Electric bicycles equipped with SpeedBox products may only be used on private property and under your own responsibility. By using SpeedBox products, you take the risk of losing the warranty on the electric bicycle.
We also recommend the use of other safety and protective equipment to avoid injury while riding.

SpeedBox 1.3 for Bafang (4-pin connector)

Description

Key Features

Technical Description

Warning

SpeedBox 1.3 for Bafang (4-pin connector)

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