I paid $137.00 for the Roho Air Hawk a couple of years ago. The air hawk 2 was listed at $85.00. It has a hole that is in a bad spot to patch. I looked online for a new one. Now all they have is the air hawk 2. They jacked up the price on that to $107.00. By Roho's own website stated that it was thinner and lighter (cheaper) than the original Air Hawk. Also a new or renamed company is selling it. I am now concerned about the quality.
I think you are on to something.
Today i tried the airhawk 2 medium and it was no good.
I started with it full and lowered i 2 more times with air.
I kind a floated around it and it kept on moving forward
It didnt stay in place so after 5 km i took it off.
So, it didnt do what i was hoping for, maybe the orginal (nr1) is better?