Just for fun, I was in my local Yamaha-only dealer today with my FJR's rear wheel getting a new PR4GT to replace the one on there with 13,000 miles or so and still some room left before the wear bars hit.
The manager told me Michelin had just last week assured her that they absolutely will continue to make and sell PR4GTs indefinitely.
This is of interest to them as they have a substantial FJR business there (there was a '15 coming in for a replacement set of PR4GTs while I was waiting on mine).
2018 Versys 650LT in the hands of the Missus
2004 Suzuki SV650S, also Hers
2006 GSX-R600, mixed ownership
In the avatar: 1966 Velocette Venom Thruxton and 1967 BSA Royal Star.