The Jobe Tower Bimini is designed to fit the most popular wakeboard towers on the market. It is fully adjustable: it can slide forward or backward. The support arms can be at the front, rear, above or below for the right attachment required for your tower. The main cross bar's pin is adjustable and will lock in strong between your wake tower legs. When towing your boat simply remove the cover with the zippers and velcro, the frame is left in position.
How to choose the correct size? Measure the boat between the front legs and between the rear legs across the boat at the height you would like you bimini to sit. For the Medium bimini top it needs to be less than 62" and above 53" Medium: 1.35m (W) x 1.9m(L) or 53in(W) x 75in (L). If less than 53" you can only install the bimini above your tower and we suggest the large size Large for all above installation. For this Bimini top it needs to be 63'' or above. Large: 1.58m(W) x 1.9m(L) or 62in(W) x 75in(L). Clamps: 2.5 inch, 2.25 inch and 2 inch tower leg outside diameters.