Race+ Acceleration
New maximum thrust algorithm in the first few metres, ideal for climbs and technical race starts.
All about the latest firmware releases: new features, how to update safely, version differences, risks and benefits.
Practical guide and tips for a flawless upgrade.
New maximum thrust algorithm in the first few metres, ideal for climbs and technical race starts.
Advanced protection against software bugs, auto-diagnosis lock if anomalies are detected.
More real-world kilometres in Turbo mode and intelligent power saving during breaks.
Simplified updates via Bluetooth, notifications and activity logs accessible from your smartphone.
| Release | Main changes | Risks/known bugs | How to update |
|---|---|---|---|
| 1.15 (January 2024) | Race+ Boost, improved battery management, advanced Flow app support | None reported, data backup recommended | Bosch Flow App, authorised workshop |
| 1.12 (August 2023) | Optimisation of eMTB mode, sensor update | Possible forced resets with non-original batteries | Bosch Flow App, authorised workshop |
| 1.07 (May 2023) | Turbo stability, improved OTA update | Rare Bluetooth bugs | Bluetooth + Flow App |
*Always update only via official Bosch channels to avoid bricking risks.
All the main differences, pros and cons between 2023 and 2024 firmware. Choose the one best suited to your use.
Read the guideHow much does your CX’s range really change after the update? Real tests and tips for improvement.
Find out moreHow to keep your Bosch CX at its best after a firmware update: essential checks to do right away.
Practical guideWhat to do if your bike shows errors after updating: resources and quick fixes.
Quick fixesReviews from athletes and teams on the new Race+ modes and performance on the toughest trails.
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