The handlebar unit and the smart thru axle are both equipped with an LED. The color of the LED indicates the battery status. You can check the colour of the LEDs while shifting. However, for safety it is recommended to get off the bicycle and perform the following procedure.
1. Get off the bicycle to perform this procedure.
2. Perform one of the following actions:
- Press and hold the button (1) on the dropbar handlebar unit for less than 2 seconds.
- Briefly push the flatbar handlebar unit (2) up or down.
- Press and hold the button (3) on the smart thru axle for less than 2 seconds.
3. Observe the color of the LED (4) on the smart thru axle.
| Color of the LED on the smart thru axle | Smart thru axle battery status |
| Green | The battery status is OK. |
| Blinking red | Recharge the battery of the smart thru axle. |
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