Originally Posted by
Paul Barnard
They do spec compressionless, and I did buy some. Thank you. Hopefully this brake issue will be my only snafu.
Mounting disc brakes, you generally just need the right adapter (there are some odd exceptions like adapting flat brakes to post mount mounts). Flat-mount brakes typically use a flippable adapter like this to adjust for rotor size to flat mounts:
https://www.jensonusa.com/TRP-Flat-M...-Mount-Adaptor
As only the tools at Campagnolo were dumb enough to design their calipers to be rotor-size specific.
In your case, something like this is probably what you need:
https://www.competitivecyclist.com/s...-brake-adapter
Select the right one from the pull down.