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Hi
I'm having some trouble figuring out whether some components are compatible (may well be me being an idiot). Can I use a grx 812 1 x 11 rear derailer with a flat bar shifter like an rs700. Thanks very much for the help.
you should be able to get a shiftmate 8 from jtek to allow this, but road mechs have different pull ratio to mtb so they aren't directly compatible.
you could buy an 11speed flat bar road shifter instead.
http://www.jtekengineering.com/shiftmate/shiftmate-compatibility-charts-choices/
Grx uses road pull so should be compatible with any 11sp shimano road shifter, which I think that rs700 one is? It wouldn't be compatible with a mtb shifter.
RS700 is a flat bar road bike shifter. I use one with my 11sp 105.
If all Shimanos 11speed road levers use the same pull ratio then it'll be fine.
Can I use a grx 812 1 x 11 rear derailer with a flat bar shifter like an rs700
Yes
Always to the point Simon. And correct as usual.