‘New discs, pads, piston seals and a master cylinder rebuild’ all in one session does sound like you’ve let it go a bit, that’s what comes of skipping those dealership £1,500 interim services
I prefer a smear of red grease personally. Smooth smooth smooth.
Smoother action, less prone to rot the dust seals. Only use copper grease on bolts now. Them Triumph calipers are ace though, I miss my Sprint RS sooo much. Sniff.
Well fair play at the end of the day a proper job done proper. Even the wheels back on the right way, so nice of them Triumph bods to incorporate arrows in the spoke castings