Only Tiagra which is a faff...
Best bet is go SRAM and run cable disc.
Oh interesting thanks. 10 speed GRX no good with the Deore callipers?
Nope.
You could go GRX but you'll still need a new rear road mech.
@tjmw started
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Only Tiagra which is a faff...
Best bet is go SRAM and run cable disc.