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

2.9

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 eCargo bikes, makes transport easy and convenient. Whether laden or unladen: The drive unit reacts precisely and predictably in every situation. eCargo riders benefit from the dynamic setup and the powerful motor.

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)⁷
eBike system	Bosch eBike system 2
Shifting system type	Derailleur system, hub gear system
Max. support (%)	400 %
Maximum possible drive torque	85 Nm
Start-up behavior	powerful
Max. supported speed	25 km/h
Backpedal brake	x
Walk assist with Hill Hold	x
Hill start assist with Hill Hold	x
Gear shift detection	Derailleur system: yes, Hub gear system: no
Weight, approx.	2,9 kg
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.	207 W/kg

¹Maximum 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 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 customised 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 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 for gear shift detection: eShift hubs.

⁴Maximum 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 for the derailleur system, but it is optional for the hub gear system.
Exception for gear shift detection: eShift hubs

⁵ 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 individual 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 for the derailleur system, but it is optional for the hub gear system.
Exception for gear shift detection: eShift hubs

⁶ Maximum values: Deviations possible, depending on the hub gear system and battery. The maximum support of 600% relates to speeds of up to 15 km/h 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 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 gear shift detection: eShift hubs

⁷ The various riding modes are activated/deactivated by the bicycle manufacturer and the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated in the display. Using the individual riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app. It's not possible to customise your riding mode on S-pedelecs.

⁸ Maximum values: Deviations possible, depending on the hub gear system and battery. Activation/deactivation of the various riding modes is carried out by the bicycle manufacturer and the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated in the display. Using the individual riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app. It's not possible to customise your riding mode on S-pedelecs.

⁹ Maximum values: Deviations possible, depending on the hub gear system and battery. The maximum support of 600% relates to speeds of up to 15 km/h 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 customised 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 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 for gear shift detection: eShift hubs.

¹⁰ Maximum values: Deviations possible, depending on the hub gear system and battery. The maximum support of 600% relates to speeds of up to 15 km/h and can be increased in the Race, Turbo, eMTB+, Cargo and Auto riding modes.
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 for gear shift detection: eShift hubs

¹¹ The weight refers to the pure motor weight of the Hub Line – without control unit and cadence sensor. Support is based on intelligent sensor fusion, which is why maximum support is not specified as a percentage. Maximum values: Deviation possible depending on 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.