The Speed Tuned MTB36 Asym Enduro (36mm inner) is an extremely competitive wheel set option, even going so far as to 'best its peers' along several metrics.  Comes with tubeless tape & valves installed.

Tubeless DH Rim with 23mm inner width

The Sun MTX is as serious as it gets.  The rim has a super tall, super wide profile.  Using them for a bicycle wheel is sort of like using an I-beam for a handle bar.