In addition to full hydro master, (Hand lever ) & slave (at the wheel )
there is the cable operated hydraulic caliper,
cable actuating arm pushes master piston, which pushes fluid to 2 slave pistons within the caliper.
in the case of the TRP Hy Rd , as with full hydros, the pad wear is automatically compensated for,
but mechanical discs you are the pad wear adjuster .. its a user task.
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