Performance Line Speed: The powerful drive unit for speed eBikes

100

Max. torque¹

100

750

Max. motor power¹

100

600

Max. support²

0.9

2.8

Rounded weight

Performance upgrade 2.0

The performance upgrade 2.0 enables maximum motor support of 600% up to 20 mph via a free software update.²

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Get there faster: The Performance Line Speed is the ideal drive unit for commuters.

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Thanks to its robust design, the drive unit remains reliable – even when you make heavy use of it.

A man is riding his eBike quickly along a street in a residential area.

Thanks to improved sensors in the drive unit, you can brake even more effectively and with greater control.

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Close-up of the Performance Line Speed in the eBike.

A man rides his eBike past a residential area.

Natural handling

With improved software, the Performance Line Speed can be controlled even more precisely. Thanks to the reduced pedal resistance, less of your own power is lost, and you reach your destination even more efficiently.

A man wearing a helmet pushes his blue eSUV along a building.

Walk assistance and hill start assist

Hold down the minus button and start walking: The walk assistance feature helps you push your eBike more easily. With hill start assist, you can start off easily – without unintentionally rolling back.

Optimal support

Auto mode ensures you get the right level of support automatically. For example, if you lose speed due to climbs or a sudden headwind. This makes riding your eBike even more enjoyable.

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Limit mode

Ride more comfortably and reduce battery consumption: In Limit mode, your speed eBike supports you up to 20 mph. Ideal for more range and for group rides without constant braking.

Discover Limit mode

Close-up of a Performance Line Speed in an eBike.

Quieter on the road

The optimized gearbox ensures less riding noise – for a more relaxed commute and arrival.

Our digital functions act as a deterrent and protect your eBike against theft. Use the free eBike Lock additional theft protection or the eBike Alarm and Battery Lock premium services that are included in the Flow+ subscription.³

Protect 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 ensures better orientation and more precise navigation.⁴

Close-up of a SmartphoneGrip vertical mounted on a handlebar. The smartphone is in navigation mode and shows a route guide.

After your ride, the eBike Flow app shows you how many CO₂ emissions you have saved compared to traveling the same distance by car.⁵

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 the comfort of your sofa – for even more convenience during route planning.⁴

Close-up of the Purion 200 on the handlebars with speed indicator

Updates ensure that your eBike is always up to date and its performance is enhanced. You can easily 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 integrates perfectly into the frame design, delivering a clean, elegant eBike look.

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Kiox 500

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

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Bosch eBike ABS

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

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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.

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Technical data
	Performance Line Speed (BDU388Y)¹⁵
eBike system	The smart system
Shifting system type	Derailleur system, hub gear system
Maximum support (%)	600 %
Maximum possible drive torque	100 Nm
Start-up behavior	fast, performance
Max. supported speed	28 mph
Backpedal braking	no
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.	6.2 lbs
Rated continuous output	250 W
Maximum power	750 W
Max. power at a cadence of 70 rpm	730 W
Max. power-to-weight ratio, approx.	122 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.

Performance Line Speed

BDU388Y | Mid-drive motor

Stronger support for faster arrivals: The perfect drive unit for commuters.

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

Current product

Performance Line Speed

BDU378Y | Mid-drive motor

Getting there fast: With the Performance Line Speed, support up to 28 mph is achievable for speed eBikes.

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

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Performance Line Speed

BDU490P | Mid-drive motor

Fast and dynamic.

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

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All drive units

You can adjust the performance values of the drive unit individually via the eBike Flow app. The eBike manufacturer can limit the maximum performance values in the factory setting. In the eBike Flow app, you can then only set the maximum values specified by the manufacturer.
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Up to 600% support only up to 15 km/h. Available in the Race, Turbo, eMTB+, Cargo and Auto riding modes. Details on the compatibility of your eBike can be found in the eBike Flow app. The drive units are supplied with max. 340% support as standard. These values represent the ideal balance between performance and fun in relation to wear and range.
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The Flow+ subscription is subject to a charge. When using Flow+, the General Terms and Conditions apply.
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To use this function, you need a paid Flow+ subscription. When using Flow+, the General Terms and Conditions apply.
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The emissions are saved during the use phase. The calculation is based on the Federal Environmental Agency's assumption (2022): car = 9.4 oz CO₂/mi, eBike = <0.2 oz CO₂/mi.
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