A person rides a cargo e-bike on a wet path in an urban environment. In the cargo bikes, a child wearing a blue helmet is seated. In the background, you can see buildings, trees, and flags.

Cargo Line cropped on a white background.

Max. torque

100

600

Max. motor power

100

400

Max. support factor

0.8

6.4

lbs

Rounded weight

Powerful support for all types of transport

Picking up the kids from kindergarten or doing the shopping – the Cargo Line, which is designed specially for Cargo bikes, makes transport easy and convenient. Whether laden or unladen: The drive unit reacts precisely and predictably in every situation. Cargo riders benefit from the dynamic set-up and the powerful motor.

eBikes with Cargo LineTo the models

Bosch eBike Systems Cargo Line drive unit

More torque

More power: With a torque of up to 85 Nm, the Cargo Line has offered even more powerful support at low cadences since model year 2021. This makes it a lot easier to start pedaling uphill and accelerate with a heavy load.

A woman wearing a bicycle helmet is riding a pre-loaded Cargo eBike for transport through the city, crossing a bridge lined with wrought-iron railings. In the background, you see a picturesque cityscape of houses.

Powerful support

In every riding situation: The Cargo Line Turbo mode offers up to 400% of powerful support over the entire speed range.

Close-up of Cargo Line on a blue eCargo Bike in use.

Efficient motor

Economical: The powerful motor works very efficiently without overheating, with or without cargo. This extends the range, especially in combination with DualBattery.

Two children sit laughing in the cargo basket of a Cargo eBike.

Ride with confidence

Smart control: The multi-sensor concept of the Drive Unit records measurements more than 1,000 times per second, ensuring optimal interaction between rider and eBike.

DualBattery

Packed with power: Cargo Line with DualBattery offers a significant increase in range with up to 1,250 Wh – particularly suitable for heavy loads and longer distances.

Technical data
	Cargo Line (BDU450 CX)²
eBike system	Bosch eBike system 2
Shifting system type	Derailleur system, hub gear system
Maximum support (%)	400 %
Maximum possible drive torque	85 Nm
Start-up behavior	powerful
Max. supported speed	20 mph
Backpedal braking	x
Walk assistance with Hill Hold	x
Hill start assist with Hill Hold	x
Gear shift detection	Derailleur system: yes Hub gear system: no
Weight, approx.	6.4 lbs
Rated continuous output	250 W
Maximum power	600 W
Max. power at a cadence of 70 rpm	600 W
Max. power-to-weight ratio, approx.	94 W/lb

¹ Maximum values: deviations possible, depending on the hub gear system and battery. The performance values of this drive unit may be lower upon delivery. They can be increased and customised using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range. Actual power is marginally less than 750 W to ensure regulatory compliance.
The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

² Maximum values: deviations possible, depending on the hub gear system and battery. The performance values of this drive unit may be lower upon delivery. They can be increased and customized using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range. Actual power is marginally less than 750 W to ensure regulatory compliance.
The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

³ Maximum values: deviations possible, depending on the hub gear system and battery. The values can be set individually to a limited extent using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range. Actual power is marginally less than 750 W to ensure regulatory compliance.
The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

⁴ Maximum values: deviations possible, depending on the hub gear system and battery. The performance values of this drive unit may be lower upon delivery. They can be increased and customised using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range. Actual power is marginally less than 750 W to ensure regulatory compliance.
The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

⁵ Only available in New Zealand and the USA. Maximum values: deviations possible, depending on the hub gear system and battery. The max. support of 600% relates to speeds of up to 9.3 mph and can be increased in the Race, Turbo, eMTB+, Cargo and Auto riding modes. On delivery, the performance values of this drive unit can be lower. They can be increased and individually adjusted with the help of the eBike Flow app. It should be noted that higher performance values can lead to increased wear and can have a negative impact on the range.
The rider can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the dealer. A maximum of four riding modes, in addition to Off mode, can be activated. With the help of the individual riding modes, the modes can be configured according to the individual needs of the rider via the eBike Flow app. Exception regarding gear shift detection: eShift hubs

⁶ Maximum values: deviations possible, depending on hub gear system and battery. The maximum support of 600% relates to Speeds of up to 20 mph and can be increased in the Race, Turbo, eMTB+, Cargo, and Auto riding modes. The values can be set individually to a limited extent using the eBike Flow app. It should be noted that higher performance values can lead to increased wear and have a negative effect on the range. The rider can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer, or the dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes,
the modes can be configured according to the individual needs of the rider via the eBike Flow app. Exception gear shift detection: eShift hubs

⁷ Maximum values: deviations possible, depending on the hub gear system and battery. The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

⁸ Maximum values: deviations possible, depending on the hub gear system and battery. The values can be set individually to a limited extent using the eBike Flow app. The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

⁹ Maximum values: deviations possible, depending on hub gear system and battery. The maximum support of 600% relates to Speeds of up to 20 mph and can be increased in the Race, Turbo, eMTB+, Cargo, and Auto riding modes. The performance values of this drive unit may be lower upon delivery. They can be increased and customized using the eBike Flow app. It should be noted that higher performance values can lead to increased wear and have a negative effect on the range. The rider can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer, or the dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the rider via the eBike Flow app. Exception gear shift detection: eShift hubs

¹⁰ Maximum values: deviations possible, depending on hub gear system and battery. The maximum support of 600% relates to speeds of up to 20 mph and can be increased in the Race, Turbo, eMTB+, Cargo, and Auto riding modes. The rider can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer, or the dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the rider via the eBike Flow app. Exception gear shift detection: eShift hubs

^¹¹ Only available in New Zealand and the USA. Maximum values: deviations possible, depending on the hub gear system and battery. The performance values of this drive unit may be lower upon delivery. They can be increased and customised using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range. The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

¹² Maximum values: deviations possible, depending on the hub gear system and battery. The performance values of this drive unit may be lower upon delivery. They can be increased and customised using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range.
The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

¹³ Maximum values: deviations possible, depending on the hub gear system and battery. The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app. There is no backpedal function with the derailleur system, but it is optional for the hub system.
Exception regarding gear shift detection: eShift hubs

¹⁴ Maximum values: deviations possible, depending on the hub gear system and battery. The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app. There is no backpedal function with the derailleur system, but it is optional for the hub system.
Exception regarding gear shift detection: eShift hubs

¹⁵ Only available in New Zealand and the USA. Maximum values: deviations possible, depending on the hub gear system and battery. The max. support of 600% relates to speeds of up to 9.3 mph and can be increased in the Race, Turbo, eMTB+, Cargo and Auto riding modes. The performance values of this drive unit may be lower upon delivery. They can be increased and customized using the eBike Flow app. It should be noted that higher power values can lead to increased wear and have a negative effect on the range. Actual power is marginally less than 750 W to ensure regulatory compliance.
The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception regarding gear shift detection: eShift hubs

¹⁶ The weight refers exclusively to the motor weight of the Hub Line – without control unit and cadence sensor. No support factor: The support is based on intelligent sensor fusion, which is why no support factor is specified. Maximum values: Deviation possible depending on battery. The rider can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the dealer. A maximum of four riding modes, in addition to Off mode, can be activated.