For everyday adventures

Active Line Plus

BDU350

Rear view of a cyclist wearing a helmet, riding an eBike with two large panniers along a path through a forest clearing. eBike motor Active Line Plus cropped on white background.
5
50
Nm
Max. torque
100
415
W
Max. motor power
50
250
%
Max. support factor
0.8
3.2
kg
Rounded weight

Bosch eBike system 2

Active Line Plus

eBike motor Active Line Plus cropped on white background.

Equipped for everyday and adventure rides

The Active Line Plus is ideal for all those who want moderate support with smooth, agile start-up behaviour on everyday and longer rides. The Active Line Plus makes the perfect team with the Purion, Intuvia, Kiox, Nyon on-board computers and the Bosch eBike system 2 Bosch eBike batteries.

Functions and details

A person rides a black e-bike and is wearing a white helmet and black clothing. In the background, there are parked cars and a building with white stone walls and several windows.

Dynamic acceleration

The Active Line Plus provides powerful but dynamic support. It adapts its power delivery to your riding behavior – thanks to the multi-sensor concept with more than 1,000 measurements per second. Enjoy natural and dynamic acceleration with minimal pedal resistance in Off mode or over 15 mph.

A woman enjoys a ride on her eBike along a riverside path, with the Frankfurt skyline in the background.

Easy handling

The innovative drive concept makes a Drive Unit weight of less than 7 lbs and improved integration into the bicycle frame, thanks to its compact size. The low center of gravity ensures easy handling. The Active Line is compatible with derailleur or hub gears. The optional backpedal function for hub gears helps you to brake extra comfortably. 

Close-up of Active Line Plus on a blue eBike.

Award winning product design

Flowing forms and harmonious lines: The eBike system Active Line Plus received the Red Dot Award for Product Design 2017.

Technical data

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Technical data
Active Line Plus (BDU350)⁷
eBike systemBosch
eBike system 2
Shifting system typeDerailleur system, hub gear system
Max. support (%)250 %
Maximum possible drive torque50 Nm
Start-up behaviorharmonious and agile
Max. supported speed25 km/h
Backpedal brakeDerailleur system: no,
Hub gear system: optional
Walk assist with Hill Holdx
Hill start assist with Hill Holdx
Gear shift detectionHub gear system: no,
Derailleur system: yes
Weight, approx. 3,2 kg
Rated continuous output250 W
Maximum power415 W
Max. power at a cadence of 70 rpm365 W
Max. power-to-weight ratio, approx.130 W/kg

¹ 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 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.

⁴ 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 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.

Active Line Plus

Other models

eBike Motor Active Line Plus isolated on a white background.

Active Line Plus

BDU350 | Mid-drive motor

For everyday adventures.

  • Bosch eBike system 2
  • Max. 50 Nm
  • Max. 415 W
  • Max. 250%
Current product
The Bosch motor Active Line Plus shown in isolation.New

Active Line Plus

BDU344Y | Mid-drive motor

Smooth support in everyday life and reliable quality on excursions.

  • The smart system
  • Max. 60 Nm
  • Max. 600 W
  • Max. 340%
About the product
The Active Line Plus is depicted on a white background.

Active Line Plus

BDU334Y | Mid-drive motor

Brings mobility to your everyday life and extends your boundaries for spontaneous excursions.

  • The smart system
  • Max. 50 Nm
  • Max. 600 W
  • Max. 340%
About the product

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