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Shimano XT Di2 SC-MT800 System Display
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Shimano XT Di2 SC-MT800 System Display


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Mfg PartNum: ISCMT800C
MSRP: $172.99
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The Shimano SC-MT800 System Display is the handlebar-mounted control center for Shimano's XT Di2 mountain drivetrain. It displays pertinent info like battery life and gear position, and it allows toggling of performance features like changing shift modes or disabling audible shift chimes. Integrated Bluetooth communication connects to smart devices and Shimano's E-Tube Project application for customization of shift maps, and ANT+ allows data to be forwarded to the display on compatible cycling computers.


  • Displays system status of: battery level, gear position, shift mode and FOX iRD suspension position
  • Toggle audible shift notification chimes
  • Toggle between three Shimano Synchronized Shift modes available (S1/S2/Manual)
  • Digitally adjust front and rear derailleurs and provide numerical adjustment indicator
  • Wireless ANT / Bluetooth communication for customization and data utilization in the field with a smartphone, tablet, and other mobile electronics
  • Battery charging port
  • 3 E-Tube ports
  • D-Fly compatible

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.


Mfg PartNum: ISCMT800C 


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1 stars
Reviewed 2/12/2020
by Grimes
Competitive Racer
Minneapolis, MN
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Somewhat useful

I'm so torn about this. With a 1x drivetrain the shift modes don't do anything. So since I don't have a Di2 compatible suspension (who does?) or front derailleur, this little guy just shows me battery level and current gear. My Garmin does that too - and it doesn't go dark after 5 seconds.

But it's cheaper than a normal junction A and EW-WU111 combo, so there's that.

Overall it's well made and performs great - it just has features that many people won't ever use.

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Reviewed 7/10/2018
by bobvin
Cycling Enthusiast
Value Rating
Overall Rating
The joy of Di2

The brains of the mtb Di2 groupIt is a little weird having a small display on the bike, which I don't glance at too much, but being able to program shifting from my iPhone through the eTube system is nifty. Plus you can set a pair of preferences, perhaps a road riding profile and an off-road one. (If, like me, you often use your mtb on the road with a different set of tires.)

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