TRP has a direct to post mount adapter I assume direct mount bolts all follow a standard internationally for cross market compatibility
as does ISO and post mount..
Maybe the MTB hydraulic caliper would be compatible with the road master.. Shimano, + Magura , TRP use mineral oil..
TRP, Hylex is their road disc hydraulic ..
https://www.trpcycling.com/wp-conten...-FM-160602.pdf
HyRd is their cable operated hydraulic
https://www.trpcycling.com/wp-conten...-FM-160602.pdf
Note; there is an adapter even for direct mount 1 for each disc size ..
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