A.
anwered by: canteau
Not officially by Surly, The Other Brother Darryl rim is their tubeless ready fatbike rim.
If you prefer the thinner 65mm width of Marge Lite they will work but not without some work and work arounds.
The best method to use is the split tube method and a step by step guide can be found here:http://www.singletracks.com/blog/mtb-gear/how-to-convert-your-fat-bike-to-tubeless-using-a-split-tube/