Lock down your biggest tricks with the Fly High The B1 Tower Boom! This product from Fly High is the only boom on the market that was designed to be mounted on any tubular tower frame. Detach and stow the rock solid B1 by unhooking three quick release pins and removing the system from the bow of your boat. New riders love the B1 as it can be used at slower speeds to help overall progression of skills. This boom fits riding towers with a diameter between 2 1/4 and 2 1/2 inches. Kick wakeboarding fun up to the next level with the Fly High The B1 Tower Boom!