Unlock Your Bosch E-Bike
Compatible with Bosch Gen1–Gen4 (BES1 & BES2) and Bosch Smart System (BES3). No hardware installation required. Activate worldwide via browser connection.
Unlock More. Ride Free.
Unleash true riding freedom with browser-based Bosch e-bike tuning solutions for Bosch Gen1–Gen4 (BES1 & BES2) and Bosch Smart System (BES3).
No chip installation. No complicated apps. No permanent hardware modifications. Just connect your bike via USB, access the interface directly through your browser, and activate higher speed support in a clean, fully digital and reversible way.
Whether you ride an older Bosch system or the latest Smart System, modern browser-based tuning follows clear system logic: EBT Unlock Key for many classic Bosch systems on BES1 / BES2, and EBTsmart Unlock Key for Bosch Smart System / BES3.
Start with the internal Bosch information pages above if you want to understand the difference between BES1, BES2 and BES3, compare EBT Unlock Key vs. EBTsmart Unlock Key, or check Smart System details such as BDU, rim magnet, ABS and e-shift.
Video Tutorials
English Video Tutorial
German Video Tutorial
Which Bosch System Do You Ride?
Bosch Gen1–Gen4 (BES1 & BES2)
Classic Bosch systems from Gen1 to Gen4 can be supported by browser-based USB tuning solutions. These systems are typically associated with BES1 or BES2 architecture.
- Suitable for many classic Bosch drive units
- Browser-based access via USB
- No motor opening required
- Reversible anytime
Bosch Smart System (BES3)
The latest Bosch Smart System uses a different architecture and requires its own browser-based solution. Compatibility depends on factors such as BDU, rim magnet, ABS and related system details.
- Separate solution for BES3 / Smart System
- Works with and without rim magnet depending on configuration
- System-based compatibility logic
- Modern browser-based access
