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Somehow, Di2 can't help but keep getting smarter. With a new Bluetooth battery and Shimano's E-Tube Wireless app, you can now change your shifting preferences wirelessly in the middle of a ride with a smartphone or ANT+ head unit. New versions of Deore XT Di2 will ship with this compatibility built-in, but Shimano created the BM-DN100 Di2 Battery Mount to allow current Di2 users to adapt their earlier generation Di2 drivetrains to work wirelessly as well. If you have your drivetrain set up externally, you'll need this mount, as well as a compatible wireless unit or display to go wireless.
- Former Di2 generations go wireless with this new mount
- External mount holds new wireless Bluetooth Di2 battery
- E-tube technology allows you to control shifting mid-ride
- Item #SHI00CL
- Q & A
What's the difference between this and the mount I already have for my ultegra di2 6770 gears?
It looks exactly the same? Is just the outward appearance the same?
According to BikeRadar, the BM-DN100 contains extra circuitry to enable the Synchro Shifting feature. This mount, along with a firmware update to all your existing Di2 components, allows you to upgrade existing 11-speed Di2.