I've been searching for a while for the answer to my question I bought a set of Formula RX brakes(F/R) and plan to run them with 160mm rotors F/R. My bike uses the IS 51mm mounts. The RXs are 74mm post mount, not IS. Will my current Avid 51mm IS mounts work with the Formulas? I still haven't received them yet and want to get the appropriate adapters on the way, if needed, so I don't have to wait to install them Since the Avid adapters put my current Juicy7s basically in the 74mm post mount position, my guess is they will work fine with the Formulas as well. Anyone want to confirm?
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Thread: Formula RX adapter question