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The Di2 EW-RS910 Junction A frame/bar plug mount from Shimano allows you to charge and check the battery level of your Shimano Di2 electronic shifting system. Thanks to its Bluetooth-enabled design you can easily connect to your Shimano Di2 to change shift modes such as manual shift synchronized shift 1 and synchronized shift 2. Its built-in LED lights will illuminate to indicate the mode you have selected by a green or red light system. If your bike receives a strong impact the RD Protection function kicks in and the connection between your motor and the link is momentarily severed so that the rear derailleur will no longer operate. This is done in order to protect the system at times such as if the bicycle falls over. The EW-RS910 allows you to press the button on junction A to restore the connection between the motor and the link and clear the RD Protection function for the rear derailleur. To top it off this handy device features water-resistant connectors so you can keep your Di2 running in peak performance whatever the weather conditions.
- Designed to fit in handlebar
- Lightweight
- Complete with mounting hardware
- Great Shimano quality