Fox 36 Float Fit RC2. 180mm of travel, 20mm through axle, 1 and 1/8” straight steer tube. I am the second owner and it has roughly 100 miles on it. I’m selling it because it’s on a bike designed for 140mm…which is not too comfortable. It is a 2011, and according to mtbr.com the original msrp was $1035.00.  Asking $600. 
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The website is telling me some kind of 413 error so I can't upload pictures, but I will continue to try. If you are interested and I don't have any pictures up you can message me and I will get some to you. Thanks!