i've had drama with mine. i emailed tom at parlee and he sent me a couple of extra ones...
i slotted mine with a razor blade and after installing i wrapped it a few times with plumbers tape to lock in the cables and give it a more 'interference' fit..
it's not perfect but it helps.. really it needs a lip on the front to stop it pulling back into the frame..
realistically the only true solution is to go electric.. its why the frame set is actually designed for
This really sucks... Paying top money for a top frameset but with flaws...
Glad to hear im not the only one... do you get any cable noise from the housing? I really love the frame but want it to be completely silent over rough (UK roads). Im not sure if i mine was installed with the foam cable wraps but it starts the ride silent and after 50 miles seems to become rather noisy as the cables vibrates in the down tube.
I want to keep my SR mechanical and believe the full housing solution to be the right choice over cable stops and sharp internal bends. It requires very little maintenance as its fully sealed and retains shift quality. My only gripe is the noise.
Mine definitely rattles with rough roads. Even over bumps.
With all of these I'd appreciated externally routed cables.