Tubemare

Bike Dialed In
For Bikers (Details of Bike Setup)
If you're a bike geek, this is for you

We haven't pinned down the name yet but otherwise my bike's pretty dialed in.  I put on my Selle Italia RX saddle (heavy & bulky but supportive) plus Oury grips.  I cut down the bars from 720mm to 685mm & added bar-ends.  I'd been on carbon bars with Randy for a long time, going w/o bar-ends, and it's awesome to have them back.  Probably 50% of the time I'm using them, and they've really helped upper body comfort, plus on steep ups they are invaluable.
I dropped the 2x10 SRAM X7 setup for 1x10, using a Wolftooth 30t 104bcd chainring up front, and a OneUp 42T adapter in back.  I used the Wolftooth 42T adapter on Randy and loved it, so I'm just trying the OneUp to see how it is.  Twenty6 also has their 42T out, and it looks great.  If you're buying, I'd go OneUp only because they now include a 16T cog, to bridge the gap created by removing the 17T.   If the 16T isn't a big bonus for you, then they Twenty6 has the best looks and is made in Bozeman MT, so that's nice, but I've always had great luck with Wolftooth, and it's also American owned and made.
When it comes to this conversion, the only trick is figuring out the B, H, & L screws on the derailleur.  Every RD I've tried works, but some take more fiddling than others.  Shimano works better than SRAM because the angle of the B screw on SRAM derailleurs often causes the elongated screw to run out of hanger platform.  To get my X0 to work, I had to attach a section of flat aluminum to extend and enlarge the hanger platform.
I know ppl love the clutched derailleurs, for good reason, but the star of this drivetrain for me is the Nokon housing, which makes everything run much better, especially long term.  Compression free housing is the way to go, but don't get Yokozuna- it's terrible.  Nokon or bust.

The one upgrade that turned into a disaster was the one that most ppl recommend first for fatbikes: tubeless.  In theory, it should appeal to fatbikers - lower rolling resistance & weight, less flats, lower psi, etc.  And though the tires aren't meant for it, nor the rims, that never stopped me on traditional 29" or 26" setups, and which always worked very well.  I never had a tubeless issue at all, running several rim / tire combos most of which were not UST rated.
Tried the same techniques on the Farley and it was a nightmare.  Converting the rims with Gorilla tape was not a problem, and that looks better than the Surly rim tape, so that was good.  But the tire just would not seat correctly.  And I mean it wasn't even close.  It kept straight up falling off the wheel.  There was Stan's everywhere, duct tape, gorilla tape, different pumps; it looked like a crime scene - like the hangover view of some sort of molly-fueled garage-themed S&M party.
After six hours (!!!) of struggle & cleanup, I went with the suggestion of Jesse at RMS, the shop in Spearfish.  Instead of the big Surly Toobs, I'm using 26"x2.5 tubes.  The Surlys are 450 grams or so per tube, pretty much one pound a piece.  The Maxxis and Bontrager tubes I'm trying both weigh in at under 300 each.
They seated up OK, and the tubes do inflate to that extra limit.
I've added some Slime to one tube and Stans to the other.  That negates some of the weight benefits, but it's something I'd have done to the Surly Toobs as well, so it doesn't really count.  So far it's working great.  The feel is more supple, and it's comforting to know I'm riding with slime.  The duct tape vs. rim tape added a few grams per wheel (I'm guessing), and I added about 50 grams of slime or Stans to each tube, but even conceding those, I shaved about 150 grams from each wheel, so over a 1/2lb off the bike.  I did have the tube with Stan's leak pressure once overnight and once on a ride, so I'm thinking Slime is still better for this application.
I've been running them at 9psi so far, sometimes 8.  Going for a ride in the snow later today and may dial them down for that.  Otherwise, The Farley is up and running, one of fastest coolest fatbikes around.  In this section of MT, it's one of the only fatbikes around.
See you out there!!  Depression Reservoir tonight, or maybe Huntley's Butte.  In the snow.  Fatbike kind of day here :-)