@steve_sordy
As said below, have a pair of almost new 220mm HS2's if you want to try them - can send them to you no probs.
https://www.emtbforums.com/threads/need-to-replace-the-rear-rotor-on-my-rail-9.42086/post-604175
Case in point, when applied gently the Swissstop D27 RS pads are noisier (slightly graunchy sound) when compared to the standard Shimano D03S pads which are silent (with Swissstop Catalyst Pro 220mm rotors).
Will probably go back to Shimano D03S pads ...
Part of the benefit will have came from the increased brake pads area (the physics are simple) and part will have come from them being floating rotors (much literature about this).
Kept the same pads (Shimano D03S) for two years then recently switched to Swissstop D27 RS pads which are...
Ours haven't - used all year round, normally on the South Downs.
My 2022 alloy Trek Rail (4,000 miles on the shock).
Wife's 2022 alloy Trek Rail (2,000 miles on the shock).
Now have Fumpa Clik heads which screw directly into our Cycplus AS2 Pro pumps so no longer need to carry adapter tubes in our emergency kits. Pump does get hot but Fumpa head will prevent most heat transfer from pump to valve...
Bought Crankbrothers Stamp 7 Large pedals, now gotta mess around with the pins to make them play nicely with my shoes with "Dotty rubber" soles.
Edit Sunday 19 July: after today's ride leaving them alone, work fine.