Bosch Kiox 400C - modern integrated colour display and control unit in one for electric bikes with Bosch Smart System. It is designed especially for trail and enduro riding - it is robust, fully integrated into the top tube and thus optimally protected from bumps and shocks even on fast descents. It offers maximum visibility even in challenging conditions.
It replaces the separate control unit (System Controller), but can be supplemented with a Mini Remote for more convenient operation.
Dynamic display without manual screen switching
Main features:
- 2.0" colour display with high brightness up to 1000 cd/m² - excellent readability in sunlight and in the woods
- Automatic brightness control thanks to built-in light sensor
- Dynamic display - automatically adjusts information as needed (no manual page switching required)
- Integrated USB-C port for smartphone charging (up to 1.5A)
- Up to 30 display customisation options via the eBike Flow app
- Navigation with voice alerts (turn-by-turn) - compatible with Komoot and others
- Three-button control (on/off, ride mode selection, select)
- Full integration with Bosch Smart System (communication with app, diagnostics, OTA updates)
- High resistance IP55 (dust and splash water)
Specifications:
- Display size: 2.0" / approx. 5.1 cm (diagonal)
- Maximum brightness: 1000 cd/m² with automatic adjustment
- Power supply: from electric bike battery / internal battery
- Possibility to charge external devices via USB-C®
- Weight: approx. 57 g
- Dimensions: approx. 86 × 45 × 20 mm
- Operating temperature: -5 °C to +40 °C
- Warning tones for navigation
Contents of delivery
- 1x Kiox 400C
- 1x screw EB1320009N
- Operating and installation instructions
Ideal for:
Bosch Smart System e-bikes (especially Performance Line CX Gen 4/5), trail, enduro and all-mountain. The display is often integrated directly into the frame (requires preparation in the top tube).
Important product information
The external charging function is not possible in the following cases:
- For all models BDU37YY power unit
- BDU31YY drive unit: When the Multi-Purpose Port (MPP) is set as High Power Port (HPP), or when the Multi-Purpose Port (MPP) is set as Light Port and a light with a power of over 6 watts is active *
- For BDU38YY, BDU34YY and BDU33YY drives, if the High Power Port (HPP), Low Power Port (LPP) and Light Port over 6 watts are active at the same time *
* If USB charging is deactivated for any of the above reasons, you must restart the e-bike to reactivate the charging function.

Magura Bosch Parts & Services GmbH Co. KG (MBPS) is the exclusive distributor and supplier of products and components for Bosch eBike Systems. It is a German company formed by the merger of the MAGURA and Bosch eBike Systems brands. It is a strategic 50/50 joint venture that aims to offer integrated service, parts distribution, and support for leading brands in the cycling industry. MBPS effectively combines the technical know-how of the MAGURA brand with Bosch's innovative strength in the field of e-mobility, creating a comprehensive service ecosystem for modern e-bikes.
Contact: MAGURA Bosch Parts & Services GmbH Co. KG, Großer Forst 3, 72622 Nürtingen, e-mail: welcome@mbps.eu, phone: +49 7125 1234 000, web: www.mbps.eu
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