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PostPosted: Wed Sep 13, 2017 6:09 am 
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Joined: Thu Nov 24, 2005 2:34 pm
Posts: 520
Location: New Zero Kanada 43° 40' 0" N, 79° 25' 0" W
I love my Di2, but also like a 1x for cross. Has anyone modified an existing 6870 2x Di2 setup for 1x? Is it as simple as swapping the rear derailleur for an XT or XTR, removing the front der, and installing a narrow-wide ring? Or does it also take a software update? Please share your experience!


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Posted: Wed Sep 13, 2017 6:09 am 


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PostPosted: Wed Sep 13, 2017 7:02 am 
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Joined: Fri Jul 30, 2010 7:08 pm
Posts: 231
What you've said is pretty much it,

Swap the mech's and chainring and your good to go,
The only think you may want to do is re configure your shift levers, to say, both on right hand upshift, both on left hand down shift.

it makes it simpler in the heat of a race offroad.


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PostPosted: Thu Sep 14, 2017 10:11 am 
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Joined: Sat Oct 23, 2010 9:36 am
Posts: 519
Location: Eastern Coast of the Baltic Sea
Hydraulic 6870 here, just converted to 1x. Yes, remove the FD (and the corresponding EW-SD50 wire - saves a gram or two :D :D), mount an appropriate ring on the crankset, and that's basically it. XTR rear would be nice, but so far for commuting & city I'm perfectly ok with the 6870 RD. Not even running a true narrow-wide ring on the front, but custom made steel oval ring with long teeth.


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PostPosted: Thu Sep 14, 2017 11:29 pm 
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Joined: Thu Nov 24, 2005 2:34 pm
Posts: 520
Location: New Zero Kanada 43° 40' 0" N, 79° 25' 0" W
Nice. I've got a Wolftooth ring kicking around and ordered up an XT rear der. Hopefully I'll be 1x by next weekend.


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