Brand new Maxxis DHF 27.5 x 2.3 EXO TR dual compound - sold
Brand new Nukeproof ARD tire liner with 2x Nukeproof tubeless valves. Sized for 29er, but can be cut down for smaller wheels - $45
Used Nukeproof ARD tire liner. Sized for 27.5, it will not fit a 29er (trust me, I tried) - $25
Used Vitorria airliner - medium (2.2-2.5") - works on a 27.5" wheel, or a 26" if you cut it down. Too short for a 29er - $30