North Tendon FreerideThe Tendon Freeride mast base is our most versatile mast base and can be used from wave surfing and freeride, through to racing in choppy conditions. Your reliable go to mast base for most sessions. A TPU tendon joint transmits the power directly from the rig through to the board. A relatively low profile ensures that the center of effort of the rig package stays low and in control. A direct connection from the board to the stainless base plate