• I'm also trying to get my head around Shimano road hydro brakes for a mechanical groupset. Again it's a 2015 CDF so doesn't take flat mount

    so there is the new ST-RS505 shifters and BR-RS785 brakes.

    And ST-RS685 + BR-RS785

    So are these both non-flat mount brakes? Is there any performance difference to warrant the price difference? Obviously the ST-RS505 are ugly AF

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