The Performance Line Speed is depicted on a white background.

Max. torque

100

600

Max. motor power

100

340

Max. support

0.8

2.9

Rounded weight

Arrive at your destination faster with powerful support and maximum efficiency.

Open overlay

A man approaches a busy intersection on his eBike.

Thanks to its sensors, the Performance Line Speed reacts precisely and can therefore be controlled more directly.

Open overlay

Cropped image of Performance Line Speed.

Auto mode automatically adjusts the support offered on climbs or during sudden headwinds.

Compact construction

The compact dimensions of the Performance Line Speed and its magnesium housing reduce the weight of the drive unit to just 2.9 kilograms. This allows you to control your eBike more comfortably.

A man pushes his eBike along a sidewalk.

Walk assistance and hill start assist

Thanks to walk assistance, you can push your eBike more easily up steep sections. With hill start assist, you can set off more easily – without unintentionally rolling backwards. For a more relaxed journey to work.

Our digital features act as a deterrent and protect your eBike against theft. Make use of the free eBike Lock additional theft protection or the eBike Alarm and Battery Lock premium services that are included in the Flow+ subscription.¹

Protecting your eBike

Looking over the shoulder of a person holding a smartphone and activating the eBike Lock and eBike Alarm functions in the eBike Flow app.

An even more detailed map view for your display provides improved orientation and more precise navigation.²

View of a smartphone showing the battery level being set for when the goal is reached via the eBike Flow app.

Customise your riding modes from within the eBike Flow app. Set the level of support, dynamics, speed and torque. Choose your four favourite modes – for a perfectly tuned riding experience.

Close-up of a handlebar with Kiox 500 and a smartphone, where you can customize the riding modes.

After your ride, the eBike Flow app shows you how much CO₂ you have saved compared to travelling the same distance by car.³

Looking over the shoulder of a person viewing their route in the eBike Flow app.

Keep an eye on the current charge level of your battery in the eBike Flow app at all times and check when it is fully charged from your sofa – for even more convenience during route planning.²

A woman in an orange top sits cross-legged on a gray sofa and looks at her smartphone. In the background, you can see a plant.

Updates ensure that your eBike is always up to date and gets even better. You can simply download new eBike functions and transfer them to your eBike via Bluetooth.

Over-the-shoulder view of a person holding a smartphone with the eBike Flow app open.

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Bosch eBike battery (PowerTube 540) with gray print.

PowerTube 800

The PowerTube is perfectly integrated into the frame, creating an elegant, clean eBike look.

About the product

Kiox 500

Kiox 500 is extra-large, intelligent and robust – making it the ideal display for your next tour, including navigation function and notification tones.

About the product

Bosch eBike ABS

The Bosch eBike ABS helps you to brake more effectively and safely – whether you are in the city, on dirt bike paths or on trails.

About the product

ConnectModule

BCM3100

The basis for digital theft protection: As a technology permanently installed on the eBike, it ensures that your eBike is protected online and digitally.

About the product

Technical Data
	Performance Line Speed (BDU378Y)⁸
eBike system	The smart system
Shifting system type	Derailleur system, hub gear system
Maximum support (%)	340 %
Maximum possible drive torque	85 Nm
Start-up behavior	fast, performance
Max. supported speed	45 km/h
Backpedal braking	x
Walk assistance with Hill Hold	y
Hill start assist with Hill Hold	y
Gear shift detection	Hub gear system: no Derailleur system: yes
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

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.

¹⁷ Support up to 45 km/h for the Performance Line CX-R (BDU386Y), Performance Line CX (BDU384Y), and Cargo Line (BDU384Y) is exclusive to the New Zealand market. This higher speed requires explicit manufacturer approval for the respective eBike model. Please consult your local specialist dealer to check compatibility and availability for your eBike.

Performance Line Speed

BDU378Y | Mid-drive motor

Getting there fast: With the Performance Line Speed, S-pedelecs can reach speeds of up to 45 km/h.

The smart system
Max. 85 Nm
Max. 600 W
Max. 340%

Current product

Performance Line Speed

BDU388Y | Mid-drive motor

More powerful support to get there faster: The perfect system for commuters.

The smart system
Max. 100 Nm
Max. 750 W
Max. 600 %

About the product

Performance Line Speed

BDU490P | Mid-drive motor

Fast and dynamic.

Bosch eBike system 2
Max. 85 Nm
Max. 600 W
Max. 340%

About the product

All drive units

The Flow+ subscription is subject to a charge. When using Flow+, the General Terms and Conditions (GTC) apply.
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To make use of this feature, you'll need a paid Flow+ subscription. When using Flow+, the General Terms and Conditions (GTC) apply.
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The emissions saved relate to the use phase. The calculation is based on the Federal Environment Agency’s assumptions (2022): Car = 166 g CO₂/pkm, eBike = 3 g CO₂/pkm
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