The heart of the eBike

Drive units

The eBike motor, also called the drive unit, gives you additional, electrical support depending on your effort, speed, and the selected riding mode.

The motor of your eBike

Zoom in on the drive unit in a cutaway eBike model with a glass-like appearance. The drive unit is highlighted using more vibrant colors. Zoom in on the hub motor in a free-cut eBike model with a glass look. The drive unit is highlighted with more vibrant colors.

Powerful, smooth, versatile

Drive units from Bosch give you a unique riding experience. To provide the appropriate support for your daily adventures, they are optimized for the various eBike types.

Our drive units are getting stronger

More power, more torque, and a higher support factor. At the moment you need it – or all the time. Because you decide whether and when to set these performance values via the custom riding modes in the eBike Flow app.¹

 Performance upgrade 2.0

Find out more

Bosch drive units at a glance

The ideal drive unit for every application

Filter options
Technical dataNewNew
Hub Line
(BDU306Y)
¹⁶
Active Line
(BDU332Y)
¹⁴
Active Line Plus
(BDU344Y)
¹⁴
Active Line Plus
(BDU334Y)
¹³
Cargo Line (BDU384Y)⁴ Cargo Line
(BDU374Y)
⁷
Performance Line (BDU346Y)⁹ Performance Line
(BDU336Y)
⁷
Performance Line Speed (BDU388Y)¹⁵ Performance Line
Speed (BDU378Y)
⁸
Performance Line Sport (BDU347Y)⁵ Performance Line Sport (BDU338Y)¹⁰ Performance Line Sprint (BDU314Y)¹¹ Performance Line PX (BDU347Y)⁶ Performance Line SX (BDU314Y)¹² Performance Line CX (BDU384Y)¹ Performance Line CX (BDU374Y)⁷ Performance Line CX‑R (BDU386Y)³ Performance Line CX Race Limited Edition (BDU376Y)⁷
eBike systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart systemThe smart system
Shifting system typeDerailleur systemDerailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Derailleur system,
hub gear system
Maximum support (%)no340 %340 %340 %600 %600 %340 %340 %600 %340 %600 %340 %400 %600 %400 %600 %600 %600 %600 %
Maximum possible drive torque45 Nm40 Nm60 Nm50 Nm120 Nm85 Nm75 Nm75 Nm100 Nm85 Nm90 Nm75 Nm60 Nm90 Nm60 Nm120 Nm85 Nm120 Nm85 Nm
Start-up behaviorfast,
harmonious
harmonious,
smooth
harmonious,
smooth
smooth,
calm
controlled,
powerful
controlled,
powerful
powerful,
calm
powerful,
calm
fast,
performance
fast,
performance
powerful,
smooth
powerful,
smooth
natural,
sensitive
powerful, dynamic,
controlled
natural,
sensitive
direct,
powerful
direct,
powerful
direct,
very powerful
direct,
very powerful
Max. supported speed28 mph20 mph20 mph20 mph20 mph20 mph20 mph20 mph28 mph28 mph28 mph28 mph28 mph20 mph20 mph20 mph20 mph20 mph20 mph
Backpedal brakingnoDerailleur system: no
Hub gear system: optional
Derailleur system: no
Hub gear system: optional
optionalnoxyoptionalnoxxxxyxxxnox
Walk assistance with Hill Holdyyyyyyyyyyyyyyyyyyy
Hill start assist with Hill Holdxyyyyyyyyyyyyyyyyyy
Gear shift detectionHub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Derailleur system: yes
Hub gear system: no
optionalHub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Hub gear system: no
Derailleur system: yes
optionalnoHub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Hub gear system: no
Derailleur system: yes
Weight, approx. 5.1 lbs6.4 lbs6 lbs7.1 lbs6.2 lbs6.4 lbs6.2 lbs7.1 lbs6.2 lbs6.4 lbs6.4 lbs7.1 lbs4.4 lbs6.4 lbs4.4 lbs6.2 lbs6.4 lbs6 lbs6 lbs
Rated continuous output250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W250 W
Maximum power400 W586 W600 W600 W750 W600 W600 W600 W750 W600 W700 W600 W600 W700 W600 W750 W600 W750 W600 W
Max. power at a cadence of 70 rpm400 W290 W366.5 W370 W730 W600 W440 W550 W730 W600 W550 W550 W400 W550 W400 W730 W600 W730 W600 W
Max. power-to-weight ratio, approx.79 W/lb91 W/lb222 W/lb85 W/lb122 W/lb93 W/lb97 W/lb85 W/lb122 W/lb93 W/lb109 W/lb85 W/lb136 W/lb109 W/lb136 W/lb122 W/lb93 W/lb126 W/lb98 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.

Renowned Bosch quality

Our drive units are high-quality, powerful, and lightweight. They provide efficient, low-noise support and thus ensure a natural riding experience. They are also reliable and robust – making them ideal for every ride.

Why ride Bosch?

There are plenty of good reasons to choose an eBike with the Bosch system – discover the right one for you.

Discover them now

Your benefits with Bosch

Safety

We really care about your safety. That's why we continually work on innovative solutions and are committed to safer infrastructure and responsible eBiking.

Quality

Our products are synonymous with high quality and reliability. For your safety and that of your eBike we test our components extensively. That way, you can enjoy it for a long time.

Service

Personal advice and comprehensive all-round checks: Together with the dealer's eBike experts, we make sure you enjoy a great riding experience.

Connected Biking

Whether additional digital theft protection, customized route planning, or smart navigation: Our digital functions and networked components make your ride even better.

Feel the Flow

Your eBike. Our system.

Groupshot of all new MY27 products.

New features

Discover the latest innovations and experience fun on a new level.

PowerPack 800 and PowerTube 800 are shown freestanding.

Batteries

Provide your eBike with efficient energy for long journeys and more range.

Displays & control units

Keep an eye on all important information and operate your eBike intuitively.

Clipped smartphone with eBike Flow app icon and open home screen in the eBike Flow app.

eBike Flow app

Protect your eBike, plan routes, use smart navigation, and personalize your eBike experience.

The picture shows the ConnectModule from Bosch eBike MY27.

ConnectModule

As a technology permanently installed on the eBike, it ensures that your eBike is always online and is digitally protected.

The Bosch eBike ABS and the Bosch eBike ABS Pro are shown with a free-cut presentation.

Bosch eBike ABS

Brake more safely and effectively – for more stability and comfort on any surface.

Zoom in on the eShift TRP rear derailleur of an eBike with a light blue frame.

eShift

Enjoy precise and convenient gear changes for a comfortable riding experience.

A Kiox 300 that shows the following modes: Turbo, Sprint, Tour+, Eco+ and Off. Eco+ mode is highlighted in green.

Riding modes

Choose the appropriate mode and get optimum support in every riding situation.

The picture shows the 12A charger from Bosch eBike.

Chargers

Charge your eBike quickly and efficiently, so that it is always ready for use.

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