Offered :   one new (never used, never mounted , not a 2nd , etc) ,  Continental Mountain King Black Chili 27.5 X 2.2" Folding tubeless Mountain Bike Tire .   Lighter then the Trail King.  Great tire for the rear , does a good job of paddling uphill ( knobs are thoughtfully spaced out) ... grips very well.   From what I understand , it's 180tpi ,  however it's a 60 tpi  X 3 ( so it's three sandwiched layers of threaded protection ( Black Chili) .