For the "single way" AMS HUB on Bambulab printer series.
I did tested it ONLY on my X1C.
Alternative way to mount the AMS hub so can use shorter PTFE tubes= less time per retraction from ams to printer and backwards ofc.
Standart mounting bolts are not long enough so i've managed to find some around the workshop M3 thread but no idea how long.. sry :D