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About E-TUBE

Customize DI2 electric shifting in addition to the E-BIKE assist power program.

Maximize Your Bike Performance.

With the smartphone app, you can easily update firmware and customize electric shifting in addition to the e-bike assist power program.

-Maximize the trail ride with customized settings in your own image.

-AUTO SHIFT not requiring any gear shifting operation is comfortable. But to make the shift timing a bit quicker, change the timing to your preference with the app.

Ride comfortably even in a city with many traffic lights since it automatically switches to your favorite gear when stopping.

What's New in the Latest Version 5.4.2

Last updated on May 21, 2025

■New features
- A 46-30T front chainring combination can now be set in the synchronized shift settings for FD-RX825.

■Others
- Fixed the issue where the app does not start on Android 16β.
- Fixed the issue where the semi-synchronized shift setting cannot be configured correctly.
- Fixed identified issues.

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Additional APP Information

Latest Version

Request E-TUBE Update 5.4.2

Uploaded by

Pavan Kumar

Requires Android

Android 8.0+

Available on

Get E-TUBE on Google Play

Show More

E-TUBE Screenshots

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