Originally Posted by PeteHski

It's really just the smaller diameter tubing than you would typically find on a modern carbon bike, especially an aero frame. I think there is some info on their website about the inspiration for its overall "look". It's similar to what Specialized were aiming at with their Aethos, but OPEN have used smaller diameter tube profiles. Both are really a counter point to modern aero-frames. Just a vague nostalgic nod to the days of small diameter round tubes and full length seat stays, non-integrated bars etc.