The motor: Powerful drive for eBikes

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

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.

Mid-drive motorFind out more Hub motorFind out more

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

Compare technical data

Technical data	New		New
	Hub Line (BDU306Y)¹¹	Active Line (BDU332Y)⁴	Active Line Plus (BDU344Y)¹	Active Line Plus (BDU334Y)⁵	Cargo Line (BDU384Y)⁹	Cargo Line (BDU374Y)¹⁰	Performance Line (BDU346Y)¹	Performance Line (BDU336Y)¹	Performance Line PX (BDU347Y)⁹	Performance Line SX (BDU314Y)²	Performance Line CX (BDU384Y)⁹	Performance Line CX (BDU374Y)¹⁰	Performance Line CX‑R (BDU386Y)⁶	Performance Line CX Race Limited Edition (BDU376Y)¹⁰
eBike system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system	The smart system
Shifting system type	Derailleur 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
Max. support (%)	No	340 %	340 %	340 %	340 %	600 %	340 %	340 %	600 %	400 %	600 %	600 %	600 %	600 %
Maximum possible drive torque	45 Nm	40 Nm	60 Nm	50 Nm	120 Nm	85 Nm	75 Nm	75 Nm	90 Nm	60 Nm	120 Nm	85 Nm	120 Nm	85 Nm
Start-up behavior	fast, smooth	Harmonious, smooth	Harmonious, smooth	Harmonious, smooth	controlled, powerful	Controlled, Powerful	powerful, smooth	Powerful, calm	powerful, dynamic, controlled	Natural, sensitive	Direct, Powerful	direct, Powerful	Direct, Very powerful	Direct, Very powerful
Max. supported speed	25 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h	32 km/h
Backpedal brake	No	Optional	Derailleur system: no, Hub gear system: optional	Optional	No	x	j	Optional	j	x	x	x	No	x
Walk assist with Hill Hold	j	j	j	j	j	j	j	j	j	j	j	j	j	j
Hill start assist with Hill Hold	x	j	j	j	j	j	j	j	j	j	j	j	j	j
Gear shift detection	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	Hub gear system: no Derailleur system: yes	Derailleur system: yes, Hub gear system: no	Optional	Hub gear system: no, Derailleur system: yes	Optional	No	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
Weight, approx.	2,3 kg	2,9 kg	2,7 kg	3,2 kg	2,8 kg	2,9 kg	Approx. 2,8 kg	3,2 kg	2,9 kg	2,0 kg	2,8 kg	2,9 kg	2,7 kg	2,7 kg
Rated continuous output	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W	250 W
Maximum power	400 W	586 W	600 W	600 W	750 W	600 W	600 W	600 W	700 W	600 W	750 W	600 W	750 W	600 W
Max. power at a cadence of 70 rpm	400 W	290 W	366,5 W	370 W	730 W	600 W	440 W	550 W	550 W	400 W	730 W	600 W	730 W	600 W
Max. power-to-weight ratio, approx.	174 W/kg	202 W/kg	222 W/kg	188 W/kg	268 W/kg	207 W/kg	214 W/kg	188 W/kg	240 W/kg	300 W/kg	268 W/kg	207 W/kg	277 W/kg	218 W/kg

¹Maximum values: Deviations possible, depending on hub gear system and 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. 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

² Maximum values: Deviations possible, depending on 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 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.

⁴Maximum values: Deviations possible, depending on hub gear system and 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. Using the custom riding modes, the modes can be configured according to the individual needs of the rider, via the eBike Flow app.
There is no backpedal function for the derailleur system, but it is optional for the hub gear system.
Exception gear shift detection: eShift hubs

⁵ Maximum values: Deviations possible, depending on hub gear system and 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. Using the individual riding modes, the modes can be configured according to the individual needs of the rider, via the eBike Flow app. There is no backpedal function for the derailleur system, but it is optional for the hub gear system.
Exception gear shift detection: eShift hubs

⁶ Maximum values: Deviations possible, depending on hub gear system and battery. The max. 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 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 The various riding modes are activated/deactivated by the bicycle manufacturer and the 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 rider, via the eBike Flow app. It's not possible to customise your riding mode on speed eBikes.

⁸ Maximum values: Deviations possible, depending on hub gear system and battery. Activation/deactivation of the various riding modes is carried out by the bicycle manufacturer and the 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 rider, via the eBike Flow app. It's not possible to customise your riding mode on speed eBikes.

⁹ Maximum values: Deviations possible, depending on hub gear system and battery. The max. 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 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 max. 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 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. The individual riding modes can be configured according to the individual needs of the eBike rider via the eBike Flow app.
Exception gear shift detection: eShift hubs

¹¹ The weight refers exclusively to the motor weight of the Hub Line – without control unit and cadence sensor. The support is based on intelligent sensor fusion, which is why no percentage figure is given for maximum support. 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.

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

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

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.

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

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

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.

eBike Flow app

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

ConnectModule

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

Bosch eBike ABS

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

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.

Higher performance values also mean higher wear and a smaller range – we leave this individual decision up to you. The eBike manufacturer can factory-set a limitation on the maximum performance values. Then, in the eBike Flow app, you can only set the maximum values specified by the manufacturer.
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The support is based on intelligent sensor fusion, which is why no percentage figure is given for maximum support.
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