Descrição
Scope of delivery – Bosch Performance Line SX
- 1 x Bosch Performance Line SX BDU3145 drive unit (no box packaging)
Note: The Performance Line CX mid-drive motor is set to factory settings. To use it without restrictions, the software must be configured (additional costs may apply). It cannot be used without configuration!
When muscle power and electric support work for each other and you get top performance exactly when you need it: With the Performance Line SX, Bosch is launching a sporty drive unit that is lighter and more compact than any Bosch has ever developed before. For light eMTBs, eGravel and eUrban bikes.
Features
Get ahead with fast acceleration
Whether Light eMTB or eGravel: a high cadence is rewarded. On rugged surfaces or from traffic light to traffic light with your eUrban bike.
A new way of eBiking
Step on the pedals. Feel the support: sensitive, quiet, direct. A natural riding experience meets the advantages of the eBike.
Stylish and inconspicuous
Light, slim, beautiful eBikes: The compact Performance Line SX drive unit disappears into the frame of Light eMTBs, eGravel or eUrban bikes.
Light and powerful
The Performance Line SX is extremely light and remarkably quiet. If you are riding sportily, it drives you unobtrusively but with noticeable power.
- Up to 600 watts: maximum power in the smallest space
- Approx. 2 kilograms: The lightest drive, unobtrusively installed
- Max. 60 Newton meters: Pedal fast, get powerful support
- Sprint mode: For sporty eGravel and eUrban riding
Bosch’s lightest drive with the highest power density – ideal for sporty riding
Supports sporty riding
The Performance Line SX provides you with disproportionately high support for sporty riding with a high cadence – with up to 400% of your power. You can set the intensity in the eBike Flow app.
Performance: Works as hard as you do
The Performance Line SX offers you up to 600 watts of motor power. Its sensitive and reactive response is ideal if you want electrically assisted riding and a training effect.
Torque: accelerate faster
The maximum torque of 60 Nm ensures stronger acceleration on rough surfaces or from traffic light to traffic light.
Sprint mode: Rewards high pedalling frequencies
Sprint mode offers you dynamic support with up to 280% of your own power. The faster you pedal, the more power you get. Ideal for sprints and steep climbs.
A new way of eBiking – With the Performance Line SX, you experience a new riding sensation of freedom and flexibility
Riding sensation: Natural lightness
As soon as you start pedaling, you will feel the sensitive, quiet and direct support of the Performance Line SX. It combines a natural riding feel with the ease and fun of eBiking.
Flexibility – versatile in use
Whether sporty eGravel bike, dynamic eUrban bike or adventure with the Light eMTB: the Performance Line SX creates harmony between rider and eBike.
Light, compact, stylish – the compact and stylish Performance Line SX literally disappears into your eBike
Light and compact
At around 2 kilograms, the Performance Line SX is the lightest drive from Bosch- ideal for lightweight, slim eBikes.
Handling – agile and practical
Take corners dynamically or carry your eBike up and down stairs: The Performance Line SX reduces the weight of your eBike, brings more agility and is ideal for fans of a sporty riding style.
Look – Stylish and inconspicuous
The compact drive unit disappears discreetly into the frame of light eMountain bikes, eGravel bikes or eUrban bikes. For a look like that of a conventional bike.
Further advantages
Power and control
EMTB+ mode combines the precise controllability of eMTB mode with the full power of Race mode – with maximum support of 400 %. For more powerful support with the same power output.
eMTB+
Power meets control. The best of both worlds.
- maximum support with up to 400 % of your own power
- sensitive and extended Extended Boost
- combines the precise controllability of eMTB mode with the full power of Race mode
- individually customizable via the eBike Flow app
Sprint mode: for speedy eBiking
Sprint mode offers you dynamic support – for sprints and steep climbs. You can fine-tune the riding mode in the eBike Flow app and adapt it to your route.
- dynamic support with up to 280% of your own power – the faster you pedal, the more the drive supports you
- for sprints, steep climbs or fast commuting
- ideal for eGravel and eUrban bikes
- customizable via the eBike Flow app
Help on hills – push and hill start assistance
Full panniers on a bike-packing tour? Functions such as push assistance and hill start assistance – both including Hill Hold – help to make handling a heavily loaded eBike easier.
Further functions
Start without battery worries
Plan your route – with Range Control: With the eBike Flow app, you can see how much remaining capacity you have to reach your destination. And you can choose the battery level with which you want to arrive.
Keep an overview of your heart rate
Connect your heart rate monitor or Apple Watch to your eBike and track your heart rate on the display while riding – for optimized training.
Evaluate your ride data
The eBike Flow app records your ride data. In the statistics, you will find insights into your tour and fitness data – for evaluation and sharing, synchronized with Strava or Apple Health.
Additional statistics
You can compare your own performance and motor power and see how often you have used which riding modes. You also benefit from an annual overview of your most important riding data.
Protect your eBike
Bosch digital functions deter and protect your eBike against theft. For example, use the free additional protection eBike Lock or the premium eBike Alarm service with the Flow+ subscription.
Always in the right gear
eShift makes gear changes easier and more efficient. Depending on the variant, you can shift gears easily and precisely yourself or enjoy smooth gear changes automatically.
Performance Line SX Explanation video
| System | The smart system |
| Shift type | Derailleur/hub gears* |
| Max. Support level** (%) |
400 % |
| Maximum possible drive torque (Nm) | 60 Nm |
| Starting behavior | sensitive |
| Max. Support up to | 25 km/h |
| Backpedal function | no |
| Smart push assist with rollback protection | Yes |
| Shift detection | no |
| Weight | approx. 2.0 kg |
| Nominal continuous power | 250 W |
| Maximum power | 600 W |
| Max. Power at a cadence of 70 rpm | 400 W |
| Max. weight-related power | approx. 300 W/kg |
Bosch eBike Flow app

eBike Flow App
The eBike Flow app is the core of Bosch smart system and enables a better, more connected riding experience: safer, more personalized and more convenient.
eBike Lock – Free additional theft protection
The ideal add-on – park your eBike and enjoy your break.
eBike Lock is available free of charge for all eBikes with the smart system. When you switch on your eBike, it automatically checks whether your smartphone is nearby as a digital key. Only then is motor support activated and your eBike unlocked.
Display as a key – Use your Kiox 300 or Kiox 500 as a key
It’s as intuitive as it sounds: remove the display from its holder and store it away. This provides quick additional protection for your eBike. Reinsert the display to activate motor support and start riding.
Unlock via smartphone – Manually unlock your eBike using your smartphone
Instead of automatic unlocking, you can also manually unlock your eBike via your smartphone with a button on the home screen.
Battery Lock – Digitally lock your battery
Additional protection – Protect a valuable component of your eBike
With Battery Lock, you can digitally protect your eBike battery: this function ensures that the battery can no longer be used if it is stolen.
Digital keys – Flexible access with digital keys
Battery Lock allows you to use multiple digital keys at the same time: your smartphone with the eBike Flow app as well as your Kiox 300 or Kiox 500.
Flow+ – Premium service with Flow+
Battery Lock is available as a Flow+ premium service. You can try Flow+ free of charge – for 12 months with the ConnectModule. Without the ConnectModule, you receive one month free.
Protect your eBike – eBike Alarm
Park with peace of mind – Valuable location and status information
Whether you park your eBike briefly or leave it for a longer time, you stay connected and relaxed via your smartphone.
Two-stage alarm – Acoustic and visual alerts
Your eBike warns you with audible signals and flashing LEDs when it detects movement or is being moved. You also receive a notification on your smartphone.
Tracking features – Helpful location tracking
If your eBike is moved significantly, you can track its location using the tracking function.
eBike Pass – All data at your fingertips
The eBike Pass gives you an overview of important information about your eBike. Key data is stored here, and you can add details manually – even independently of eBike Alarm.
Theft report – Fast support in case of theft
If your eBike is stolen, you can create a document with all relevant information for the police based on the data from the eBike Pass and add a live tracking link.
Navigation – Exploring means experiencing
Route planning – Plan according to your needs
Choose the route profile and map details that suit your ride. Plan your own routes with intermediate destinations or import existing routes from komoot.
Display navigation – Navigate precisely with your display
Navigation for Kiox 300, Kiox 400C and Kiox 500 guides you accurately to your destination with turn-by-turn directions and clear routing. With a Flow+ subscription, you receive even more detailed map information on your display.
Ride Screen – Turn your smartphone into an eBike display
With the SmartphoneGrip, you can use the Ride Screen. It shows all essential ride data and offers full navigation with 3D map display – also in portrait mode.
Activity tracking – Automatically record and analyze ride data
The eBike Flow app records your ride data as soon as you start riding. In the statistics, you’ll find valuable insights into your tour and fitness data for analysis and sharing. If desired, all data is also automatically synchronized with Apple Health.
Komoot and Strava – Connect the eBike Flow app with your favorite apps
Transfer your routes from komoot to the eBike Flow app, sync your activities with Strava, and share your achievements with friends or your community.
Personalize your eBike – As individual as you are
Display configuration
Configure your Kiox 300, Kiox 400C or Kiox 500 display to suit your needs. Create new screens with your preferred information. Choose from over 30 display options and arrange them as you like.
Custom riding modes – Tune and adjust
Support level, dynamics, maximum torque and top speed – you decide what you need. You can also create your own favorite riding modes by selecting from all modes available for your eBike.
Performance upgrade – More power when it matters
Define the performance values of your drive unit yourself and adjust them in the custom riding modes of the eBike Flow app. This allows you to overtake more easily or accelerate faster.
Additional features
Over-the-air updates
Updates keep your eBike up to date and can even improve it. New eBike functions can be easily downloaded and transferred to your eBike via Bluetooth.
One account. Multiple eBikes
The eBike Flow app becomes your digital garage: you can add up to six eBikes to your account and switch easily between them.
Digital service record
Your Bosch eBike dealer can synchronize your service appointments with the eBike Flow app. Simply tap “My eBike” in the app settings to see what maintenance work has been carried out.
CO₂ savings
After your ride, find out how much CO₂ you have saved compared to traveling by car.
Compatible with Bosch CompactTube 400 battery
Slim, integrated, compact, and with 400 watt hours at a weight of just around 4.4 pounds, it’s a real energy champion: the CompactTube 400 with innovative battery cell technology offers the highest energy density of all Bosch eBike batteries. This makes the extra-light battery the ideal choice for performance light eMTBs, minimalist gravel eBikes or design-oriented urban eBikes – this battery is for anyone who loves the sleek look of conventional bikes and wants electric support.
- System: The smart system
- Voltage: 36 V
- Capacity: 11.1 Ah
- Weight : approx. 2 kg
- Compatible with DualBattery of the smart system: Yes
- Dimensions, horizontal / vertical 352 x 57 x 75 mm / 352 x 57 x 75 mm
EB11.100.00Y
Robert Bosch GmbH
Robert-Bosch-Platz 1
70839 Gerlingen-Schillerhöhe
Deutschland
https://www.bosch-ebike.com










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