The Performance Line Sprint is shown cropped.

Max. torque¹

100

600

Max. motor power¹

100

400

Max. support¹

Approx. weight

Extended Boost

Extended Boost is now even better: Customize the extra boost in the eBike Flow app and use it across all riding modes and other drive units.² Allowing you to overcome obstacles such as steps, roots, or small rocks.

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The Performance Line Sprint delivers maximum support. On the way to work or for weekend adventures.

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The drive unit provides a natural ride. Whether riding on rugged surfaces or hustling to work.

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The Performance Line Sprint is perfectly designed for slim, beautiful eBikes.

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

Close-up of a handlebar where someone selects sprint mode on the Kiox 300.

For sporty eBiking

Sprint mode offers dynamic support up to 280% of your own power – the faster you pedal, the stronger the drive unit supports you. Ideal for sprints, steep climbs or fast commuting.

Discover the Sprint mode

A man rides an eBike through a narrow, cobblestone alleyway.

For steep terrain

Walk assistance allows you to easily push your eBike, while the drive unit automatically adjusts the walking speed. Hill start assist enables a controlled and high-traction start, even on steep terrain.

You can connect your heart rate monitor or your Apple Watch to your eBike and track your heart rate on Kiox 300, Kiox 500 or the ride screen during your ride – for optimal training.

View of the handlebars of an eGravel bike with Kiox 500, displaying the heart rate.

The eBike Flow app records your riding data. In the statistics, you will find valuable insights into your tour and fitness data – to analyze and share, synchronized with Strava or Apple Health.

Discover the eBike Flow App

You sit on your eBike and sync your values with Strava using the eBike Flow app.

Plan your route with Range Control: With the eBike Flow app you can select what battery level you want to arrive with – and enjoy the ride without having to worry about the battery status.

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

After a ride, you can compare your rider power and motor power and see which riding modes you used and how often. You also benefit from an annual overview of the most important ride data in your statistics.³

Discover Flow+

Looking over the shoulder of a man checking his stats in the eBike Flow app.

Our digital features help to protect your eBike against theft. Use the free additional service eBike Lock – or the premium service eBike Alarm.³

Protect your eBike

The Kiox display on an eBike indicates that the eBike is locked.

Updates ensure that your eBike is always up to date and gets even better. You can simply download new eBike features 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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CompactTube 400

Slim, integrated, compact and delivering 400 watt hours at a weight of only around 2 kilos, it's a real energy champion.

About the product

PowerMore 250

Portable energy reserve: PowerMore 250 is the additional battery the size of a drinks bottle for even greater range and longer-lasting trail fun.

About the product

Cropped illustration of a System Controller and a MiniRemote, displayed side by side.

System Controller with Mini Remote

The System Controller is the minimalist control unit for eBikes with the smart system, and is fully integrated in the top tube.

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 Sprint (BDU314Y)¹¹
eBike system	The smart system
Shifting system type	Derailleur system, hub gear system
Maximum support (%)	400 %
Maximum possible drive torque	60 Nm
Start-up behavior	natural, sensitive
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.	2.0 kg
Rated continuous output	250 W
Maximum power	600 W
Max. power at a cadence of 70 rpm	400 W
Max. power-to-weight ratio, approx.	300 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.

The Performance Line Sprint (BDU314Y) comes with the performance values 60 Nm, 600 watts, and 340% support as standard. eBikes that have been produced prior to October 2025 have 55 Nm as standard, which can be increased to 60 Nm with an eBike Flow app update. The eBike manufacturer can limit the maximum torque in the factory setting. In the eBike Flow app, you can then only set the maximum torque specified by the manufacturer.
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Extended Boost is already available for the following drive units of the smart system in Race, eMTB+, and eMTB riding modes, but cannot be customized: Performance Line CX-R (BDU386Y), Performance Line CX Race Limited Edition (BDU376Y), Performance Line CX (BDU384Y), Performance Line CX (BDU374Y), Performance Line SX (BDU314Y). Customization will be available in every riding mode and for the following drive units of the smart system from mid-2026: Cargo Line (BDU384Y), Cargo Line (BDU374Y), Performance Line Sprint (BDU314Y). Extended Boost is not available in Limit mode.
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To use this feature, a paid Flow+ subscription is required. When using Flow+, the General terms and conditions (GTC) apply.
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