Isn't X0 exact actuation? You could use brifters with that
X0 9-speed is 1:1. What brifters were you thinking? The derailleur doesn't index correctly with 105 9- or 10-speed shifters, for example.
Ah, any Sram 10 speed. I didn't know you were trying with shimano ones
@Jonny69 started
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Isn't X0 exact actuation? You could use brifters with that