Quote Originally Posted by "G" View Post
A Sportsbrella will fit in any 3/4 in seat base hole.....you should have one in top of the center post on your Dub-L-Seat frame
One of my center post has no hole and the other has one, but it isn't deep enough to hold the umbrella. Wayne welded some umbrella holders directly on my seats, so I guess that's why I have no holes (or not a deep enough hole) in mine.