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Shimano SC-MT9051 Di2 Digital Display Unit

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Item # SHI00CJ

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Item # SHI00CJ


With its SC-MT9051 Di2 Digital Display Unit, Shimano ushers its off-road electronic groupset into the wireless realm. The SC-MT9051 is Bluetooth compatible, so it displays all of the drivetrain information of its wired predecessor, the SC-M9050, but without the inconvenience of wired connections. It still enables Synchro Shift, but it now also lets you customize and fine-tune the Di2 shifting system wirelessly—once again courtesy of its Bluetooth connection.

The rapidly evolving world of electronic drivetrains can be confusing, compatibility-wise, so we'll help walk you through it. The SC-MT9051 is compatible with Shimano's BT-DN110 battery. It does also work with the SM-BTR2 battery, which is the previous Di2 battery built for the SC-M9050, but doing so negates the Bluetooth functionality and eliminates Synchro Shift. Given those limitations, we recommend only pairing it with the BT-DN110 battery.

  • Gain insight into the digital workings of your Di2 drivetrain
  • Wireless connection for smartphone derailleur adjustment
  • Audible tone alerts of pending Synchro Shifts
  • Compatible with FOX Racing Shox's electronic suspension
  • For full functionality, pair with Shimano's BT-DN110 battery

Tech Specs

Compatible Components:
Shimano BT-DN110 battery
Recommended Use:
mountain bike
Manufacturer Warranty:
2 years

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Unanswered Question

Does this charge by using the charger from the bike? How does it turn on?