New XX1 AXS DH chimera derailleur. Made out of an XX1 body and GX DH medium cage. The cassette is a 3T Bailout 9-32 11-speed, made by E13 for 3T. The chain is a regular XX1 Eagle.
Disclaimer: SRAM probably doesn't want you to do this. Also it voids your warranty, so don't complain to me or SRAM if this damages your derailleur, cassette, chain, or bike.