TIME RTM 27.2mm and 31.6mm carbon, two bolt seatpost.
Our seatposts use the same Resin Transfer Molding process that make TIME frames iconic. If you're looking for a quality post for your new or old frame, this is the one. 
Details:
-27.2 or 31.6mm diameter 
-285mm overall length (tip of post to center of rails)
-225mm minimum insertion (min insertion to rails)
-135mm maximum insertion(max insertion to rails)